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113 Endangered Species Essay Topic Ideas & Examples

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Endangered species are a critical issue facing our planet today. With habitat destruction, climate change, pollution, and illegal hunting threatening the survival of countless species, it is more important than ever to raise awareness and take action to protect these vulnerable creatures.

If you are looking for essay topic ideas on endangered species, look no further. Here are 113 examples to inspire your writing:

• The impact of climate change on polar bears
• The illegal trade of rhino horns
• The conservation efforts to save the black rhinoceros
• The decline of the African elephant population
• The role of zoos in endangered species conservation
• The threats facing the Sumatran tiger
• The conservation status of the Amur leopard
• The effects of deforestation on orangutan populations
• The decline of the vaquita porpoise
• The conservation efforts to save the Javan rhinoceros
• The impact of plastic pollution on marine turtles
• The decline of the North Atlantic right whale population
• The conservation status of the saola
• The role of ecotourism in endangered species conservation
• The decline of the pangolin population
• The conservation efforts to save the African wild dog
• The impact of habitat destruction on the red panda
• The decline of the Western lowland gorilla population
• The conservation status of the Philippine eagle
• The effects of overfishing on the bluefin tuna population
• The decline of the mountain gorilla population
• The conservation efforts to save the snow leopard
• The impact of pollution on the beluga whale
• The decline of the black-footed ferret population
• The conservation status of the golden lion tamarin
• The role of captive breeding in endangered species conservation
• The decline of the giant panda population
• The conservation efforts to save the tigers in India
• The impact of climate change on the Adélie penguin
• The decline of the African penguin population
• The conservation status of the sea otter
• The effects of habitat destruction on the California condor
• The decline of the hawksbill sea turtle population
• The conservation efforts to save the cheetah
• The impact of pollution on the vaquita porpoise
• The decline of the orangutan population
• The conservation status of the black rhinoceros
• The role of wildlife corridors in endangered species conservation
• The decline of the Amur leopard population
• The conservation efforts to save the Sumatran tiger
• The impact of climate change on the African elephant
• The decline of the Javan rhinoceros population
• The conservation status of the black-footed ferret
• The effects of overfishing on the North Atlantic right whale population
• The decline of the saola population
• The conservation efforts to save the pangolin
• The impact of habitat destruction on the Philippine eagle
• The decline of the bluefin tuna population
• The conservation status of the red panda
• The role of genetic diversity in endangered species conservation
• The decline of the African wild dog population
• The conservation efforts to save the vaquita porpoise
• The impact of pollution on the Amur leopard
• The decline of the snow leopard population
• The conservation status of the beluga whale
• The effects of habitat destruction on the golden lion tamarin
• The conservation efforts to save the North Atlantic right whale
• The impact of climate change on the pangolin
• The decline of the black rhinoceros population
• The conservation status of the Sumatran tiger
• The role of community-based conservation in endangered species conservation
• The conservation efforts to save the sea otter
• The impact of pollution on the California condor
• The conservation status of the cheetah
• The effects of habitat destruction on the vaquita porpoise
• The conservation efforts to save the golden lion tamarin
• The impact of climate change on the black-footed ferret
• The decline of the Adélie penguin population
• The conservation status of the African elephant
• The role of habitat restoration in endangered species conservation
• The conservation efforts to save the saola 77

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Endangered Species - Essay Examples And Topic Ideas For Free

Endangered species are species that are at risk of extinction due to habitat loss, pollution, or overexploitation. Essays on endangered species could explore the causes and consequences of species endangerment, the legal and policy frameworks for protecting endangered species, or the role of conservation efforts in preventing extinction. They might also delve into specific case studies of endangered species and the challenges associated with their protection. A substantial compilation of free essay instances related to Endangered Species you can find at PapersOwl Website. You can use our samples for inspiration to write your own essay, research paper, or just to explore a new topic for yourself.

Protecting Endangered Species

At the beginning of 2018, researches have calculated 801 different types of animals that have gone completely extinct of which 65 of them are extinct in the wild. Researches have calculated about 3,879 different types of animals that are critically endangered. People say protecting endangered animals is a waste of money, time, and has no benefits for us but here is why we should protect endangered species. Protecting endangered species would help raise environmental awareness to protect and bring order. […]

Endangered Species: Arctic Wolf

Why I chose the Arctic Wolf? The reason I am choosing the Arctic Wolf because I love wolves and I would hate them to go extinct. They are unique animals especially just listening to that beautiful spine-tingling howl, which they use to communicate. I also, like how they are territorial and could hear up to six miles away. Wolves are very much family-oriented, they have a good system of leadership, and they are beautiful animals and very powerful. They are […]

We Need to Protect Endangered Animals

   The issue of Endangered Animals is important because Healthy ecosystems depend on animal species as their foundations and ‘’The American tourism industry is dependent on plant and animal species and their ecosystems for their multi-billion dollar, job-intensive industry’’(Endangered Species Coalition). This issue is debatable because while some believe that once the animals that are endangered go extinct will affect the human population negatively, others believe that it does not matter at all if endangered animals die off for good.,My […]

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Endangered Species: Ganges River Dolphin

India is home to a large portion of the world's animal and plant species. It has some of the world’s most biodiverse regions, such as the Himalayas, the Western Ghats, Sundaland, and Indo-Burma region which are the richest biodiversity hotspots. India also is a vast diversified country with varied cultures, faith, beliefs, languages traditions, and compassion to animate objects. The man was treated as a part of nature, not superior to it as per the religious practices, social and economic […]

Endangered Species: West African Lions

Background: Lions are one of the most beautiful and majestic creatures on the face of the earth, these animals. This particular species is found in West Africa. The problem is many hunters are going after these animals because they won't kill them just for sport or these lions pose as a threat to domestic animals and humans kill them to solve this problem. Humans are also driving out these species because they are trying to industrialize these animals' habitats. Over […]

 The Effects of Building Construction on Wildlife Habitats

Conserving habitats is not an easy task. The number of threatened and endangered species in the United States and critical habitats is constantly being destroyed (Shilling 1662). With one-quarter of mammal species at risk of extinction and amphibians on the decline, more needs to be done to protect wildlife habitats. Plans to protect species tend to be for well-known animals such as the bald eagle or the gray wolf. As a result, many species are barely surviving. Conservation biologists warn […]

Why Protect Biodiversity and Save Endangered Species?

Abstract Biodiversity on the planet is rapidly declining with the sharp increase in species extinction rates. As population numbers for many wildlife species continue to fall, research has shifted to applying molecular biology techniques in order to preserve the genetic presence of species on the planet even if the species itself is no longer able to survive. Ben-Nun and colleagues showed somatic cells of endangered species could undergo a reprogramming process to a state of pluripotency that is similar to […]

Endangered Species and Protected Areas

The world and our home we call Earth is a young beautiful place, breathtaking views, wonders of the oceans, various life forms, a sure beauty one would say. As each year goes by humans just take that beauty and make it ugly. Cutting down forest after forest, killing thousands upon thousands of animals per year, we humans have sure gone downhill since the industrial revolution particularly, vast amounts of technology allows us to be able to run the Earth dry […]

Five Ways Immigration – Driven Population Growth Impacts our Environment

Chapter 3 in our book “Globalization and Diversity” titled North America is about how the North American region plays a vital role in globalization with its urbanized and culturally diverse populations. It is also about how North America has a population of 355 million people with a large-scale economy and vast economic growth who have the largest consumers of natural resources on the earth. It also talks about environmental challenges and issues like acid rain, threatened coastlines, drought, scarce water, […]

Zoos and Endangered Species

For Centuries zoos across America have offered entertainment and education to children and adults. Facing mounting criticism from animal rights camps, they do much more than recognized. Zoos offer support in conservation, educate the public on positive and negative impacts society has on the wild, and saving future generations from extinction. With so much support for wildlife, animals are thriving and adapting to their environments thanks to the help of over 65 conservation programs. American zoos and aquariums have set […]

Endangered Species: Turtle Habitat Program

Executive Summary Conservation need: At least five endangered sea turtles habitats are in harm along the Gulf of Mexico and the Savanna, Georgia area. Unfortunately, there are approximately five different species of sea turtles have been lost from roughly over 53 percent of the wetlands that they once inhabitant. Performance targets: The state of the art expenditure of over $5.3 million for the next ten years would aid in accomplishing 10 -15 percent of the endangered reptile population goals. While […]

Saving an Endangered Epecies: the Question of Ethics

The amount of gene disorders in American has risen significantly over the past few years. According to Global Genes, “rare diseases affect one in [every] ten Americans.” From this statistic, it is fairly assumed that 30 million people have a rare disease in the United States alone (Global Genes). Food and Drug Administration processes are long and expensive. The waiting time to get a new medication or therapy approved is too long to keep up with the newly emerging health […]

Protection of Endangered Species

There are diverse environments in Texas from woods to deserts, Texas offers us something different around each corner, such as a rare jewel. The Meadows Center glass-bottom boat tour offered me a chance to ride a historic glass boat, seeing much native wildlife throughout, with the exception of a few invasive animals. While peering into the crystal-clear water, I was able to spot hundreds of springs pumping water into the surface. During this glass-bottom tour, I was able to grasp […]

Endangered Species Recovery Efforts

Background Reintroduction, the intentional movement of an organism into a part of its native range following its extirpation, is a common strategy in the conservation of threatened and endangered species (IUCN, 2013; Soorae, 2018). However, the success of this strategy in the past has been variable (Griffith, et al., 1989; Fischer & Lindenmayer, 2000; Wolf, et al., 1996), leading to calls for greater understanding of target species’ establishment and persistence requirements (Armstrong & Seddon, 2008; Seddon, et al., 2007). Habitat […]

Endangered Species: Hoolock Gibbons of Bangladesh

Abstract The Hoolock gibbon (Hoolock hoolock) are species of global conservation importance and are specifically limited to only tropical Asian forests in India, Myanmar, China and Bangladesh. Currently hoolocks are categorized as critically endangeredand globally as endangered by the IUCN World Conservation Union in Bangladesh and are considered to be one of the 25 most endangered primate species in the world. Several populations of this species have become extinct during the last 15 year but some have been hanging on […]

Endangered Species: Gila Woodpecker

The Gila Woodpecker is one of many types of woodpeckers. This bird has an average lifetime of 10 years and the females tend to lay 3-5 eggs (1). The highest population density of the woodpecker is in the Sonoran Desert. Their water is scarce, and they are hunted by different types of animals. The main predators include a fox, bobcat, and coyote(2). The Gila Woodpecker is one of the most innovative birds. They use their long beaks to create small […]

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Essay about California’s top 10 Endangered Species What are endangered species? Why should we care about them? These are the questions that this article will cover and raise awareness about these animals. Endangered species are types of species’ that have a low number of the animal left alive on the planet. I believe that all animals should be treated with the same respect as humans. I can give you an idea of why we actually need these animals, like how we need the gray wolf so the deer or elk populations don’t overpopulate and eat a lot of the plants in California. This exact thing happened in Yellowstone one time where the wolf population got really low and the deer or elk populations sky-rocketed and ate a lot of the plants in Yellowstone, but when the wolf populations went up, everything went back to normal. 10. The Gray Wolf (Canis lupus) The Gray Wolf is last because its numbers are healthy outside California. Extinct in California until 2011, the Gray Wolf has made a re-entrance into California. There are 2 lively packs in Northern California. These wolves would do just fine in the northern mountains with a lot of food, however, the Tasmanian tiger ranchers will kill them for eating livestock. There is a law protecting the wolves but, there is a loophole; a hunter can claim that they didn’t know they were shooting at a wolf, therefore, avoiding punishment. With the wolf population under a dozen, and that the whereabouts of the 7 member Shasta pack unknown, the Gray Wolf is not safe. 9.Tricolored blackbird (Agelaius tricolor) The tricolored blackbird is a far relative to the red-winged blackbird. The bird lives only in California. The birds gather in huge groups during early spring on farmland. This is the main reason their numbers decimated. That means that a couple of hours’ work with a combine might kill 50 or 60 thousand of the birds at once. Those 145,000 tricolored was a 44 percent decline from the species’ numbers in 2011, which were themselves down by more than a third from 2008. 8.California Condor (Gymnogyps californianus) You might know this species as a high-flying success story. But, the California Condor is not out of the woods yet. The California Condor has 400 specimens alive, half in the wild and half in captivity. Four hundred birds alive is pretty good when there were 27 left in the wild in 1987. These birds are still in danger from human-caused hazards including flying into telephone wires. the most pervasive threat, which afflicts pretty much all wild condors, is poisoning from lead ammo used by hunters. The birds preferentially ingest lead shots and bullet fragments, possibly due to behavioral habits that evolved as a way to get the birds to eat calcium-rich bone fragments. The lead stays in the condors’ stomachs, leaching into their exceptionally strong stomach acids, and causing a number of serious and often fatal illnesses. Luckily most hunters don’t use a lead and a statewide ban will go into place in 2019. 7.Lange's metalmark butterfly (Apodemia Mormon langeia) This butterfly lives in the highly polluted area of Antioch. But is home to a few endangered species including Lange’s metalmark butterfly. The butterfly relies on one plant- the Antioch dunes buckwheat, which lives in the Antioch dunes, a small patch of sandy hills along the south shore of the San Joaquin River. These dunes were mined out for their sand to make bricks in the early 1900s. this butterfly’s numbers have gotten better but, they are still classified as endangered. 6.Kings gold (Tropidocarpum californicum) This yellow powdered plant suffers terribly from droughts and habitat loss. Their habitat consists of alkaline soils along the south shore of what was once Tulare Lake. There is one patch near interstate 5 west of Wasco. This patch only has 50 individual plants. 5.Delta smelt (Hypomesus transpacificus) The delta smelt lives in the brackish waters of the river up by san Francisco. People started pumping a lot of fresh water out of the bay which devastated the brackish waters where these small fish lived. People also hauled large numbers to San Francisco to sell at the markets. They also get chewed up in pumps. They can get eaten by larger invasive fish, and battle over food with invasive clams for zooplankton. It is possible the smelt has declined past the point of recovery. There is probably only a few dozen in the whole river. 4.Buena Vista Lake ornate shrew Do not call this shrew a rodent. Mice, rats, and squirrels are more closely related to us than to the Buena Vista Lake ornate shrew. Fewer than 3 dozen still remain alive today. The numbers have been the same since 1990. The shrew’s habitat has almost entirely been destroyed. Now, Tulare Lake exists only during exceptionally wet years. The lake only occupies 10% of what it used to. 3.Sacramento River winter-run Chinook salmon (Oncorhynchus tshawytscha) This type of salmon used to go up the Sacramento River to its tributaries the Pit and McCloud rivers breed in an event called the winter run of chinook before European settlers came in. this changed when the Shasta Dam went into place blocking spawn access for the chinook and other salmon. The winter-run of Chinook lost more than 95% of historic spawning habitat. To make things worse the last free-flowing spot, the battle creek was turned into a hydroelectric plant. Most all the salmon died out of the loss of habitat. The remaining few severely rely on the cold water deliberately released from the Shasta and Keswick dams. A little shift in the dams policy can wipe the Sacramento River winter-run Chinook salmon of the face of the planet. 2.Amargosa vole (Microtus californicus scirpensis) This critter made the news in 2015 when a large group captive-bred voles were being taken to their natural habitat … and died on the way there. The scientist figured it was from a combination of dehydration and stress. So it is a bit ironic they live in one of the most stressful, dehydrated places in California, the Amargosa River which flows through the mojave desert. The Amargosa vole subsists on a diet consisting almost entirely of three-square bulrush, a very heat tolerant wetland plant that grows around springs in the vicinity of the Death Valley community of Tecopa. There are only a handful of them left in the wild. 1.Desert slender salamander (Batrachoseps aridus) This species could actually be extinct, no one has recorded on in 21 years. They are so vulnerable if there skin dries out they die. Discovered in 1960, the salamanders have only ever been found in Guadalupe Canyon and Hidden Palms Canyon near Palm Desert. There hasn’t been a sighting since 1996.

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Endangered Species

An endangered species is a type of organism that is threatened by extinction. Species become endangered for two main reasons: loss of habitat and loss of genetic variation.

Biology, Ecology, Geography, Conservation

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An endangered species is a type of organism that is threatened by extinction . Species become endangered for two main reasons: loss of habitat and loss of genetic variation . Loss of Habitat A loss of habitat can happen naturally. Nonavian dinosaurs , for instance, lost their habitat about 65 million years ago. The hot, dry climate of the Cretaceous period changed very quickly, most likely because of an asteroid striking Earth. The impact of the asteroid forced debris into the atmosphere , reducing the amount of heat and light that reached Earth’s surface. The dinosaurs were unable to adapt to this new, cooler habitat. Nonavian dinosaurs became endangered, then extinct . Human activity can also contribute to a loss of habitat. Development for housing, industry , and agriculture reduces the habitat of native organisms. This can happen in a number of different ways. Development can eliminate habitat and native species directly. In the Amazon rainforest of South America, developers have cleared hundreds of thousands of acres. To “clear” a piece of land is to remove all trees and vegetation from it. The Amazon rainforest is cleared for cattle ranches , logging , and ur ban use. Development can also endanger species indirectly. Some species, such as fig trees of the rainforest, may provide habitat for other species. As trees are destroyed, species that depend on that tree habitat may also become endangered. Tree crowns provide habitat in the canopy , or top layer, of a rainforest . Plants such as vines, fungi such as mushrooms, and insects such as butterflies live in the rainforest canopy. So do hundreds of species of tropical birds and mammals such as monkeys. As trees are cut down, this habitat is lost. Species have less room to live and reproduce . Loss of habitat may happen as development takes place in a species range . Many animals have a range of hundreds of square kilometers. The mountain lion ( Puma concolor ) of North America, for instance, has a range of up to 1,000 square kilometers (386 square miles). To successfully live and reproduce, a single mountain lion patrols this much territory. Urban areas , such as Los Angeles, California, U.S.A., and Vancouver, British Columbia, Canada, grew rapidly during the 20th century. As these areas expanded into the wilderness, the mountain lion’s habitat became smaller. That means the habitat can support fewer mountain lions. Because enormous parts of the Sierra Nevada, Rocky, and Cascade mountain ranges remain undeveloped, however, mountain lions are not endangered. Loss of habitat can also lead to increased encounters between wild species and people. As development brings people deeper into a species range, they may have more exposure to wild species. Poisonous plants and fungi may grow closer to homes and schools. Wild animals are also spotted more frequently . These animals are simply patrolling their range, but interaction with people can be deadly. Polar bears ( Ursus maritimus ), mountain lions, and alligators are all predators brought into close contact with people as they lose their habitat to homes, farms , and businesses. As people kill these wild animals, through pesticides , accidents such as collisions with cars, or hunting, native species may become endangered.

Loss of Genetic Variation Genetic variation is the diversity found within a species. It’s why human beings may have blond, red, brown, or black hair. Genetic variation allows species to adapt to changes in the environment. Usually, the greater the population of a species, the greater its genetic variation. Inbreeding is reproduction with close family members. Groups of species that have a tendency to inbreed usually have little genetic variation, because no new genetic information is introduced to the group. Disease is much more common, and much more deadly, among inbred groups. Inbred species do not have the genetic variation to develop resistance to the disease. For this reason, fewer offspring of inbred groups survive to maturity. Loss of genetic variation can occur naturally. Cheetahs ( Acinonyx jubatus ) are a threatened species native to Africa and Asia. These big cats have very little genetic variation. Biologists say that during the last Ice Age , cheetahs went through a long period of inbreeding. As a result, there are very few genetic differences between cheetahs. They cannot adapt to changes in the environment as quickly as other animals, and fewer cheetahs survive to maturity. Cheetahs are also much more difficult to breed in captivity than other big cats, such as lions ( Panthera leo ). Human activity can also lead to a loss of genetic variation. Overhunting and overfishing have reduced the populations of many animals. Reduced population means there are fewer breeding pairs . A breeding pair is made up of two mature members of the species that are not closely related and can produce healthy offspring. With fewer breeding pairs, genetic variation shrinks. Monoculture , the agricultural method of growing a single crop , can also reduce genetic variation. Modern agribusiness relies on monocultures. Almost all potatoes cultivated , sold, and consumed, for instance, are from a single species, the Russet Burbank ( Solanum tuberosum ). Potatoes, native to the Andes Mountains of South America, have dozens of natural varieties. The genetic variation of wild potatoes allows them to adapt to climate change and disease. For Russet Burbanks, however, farmers must use fertilizers and pesticides to ensure healthy crops because the plant has almost no genetic variation. Plant breeders often go back to wild varieties to collect genes that will help cultivated plants resist pests and drought, and adapt to climate change. However, climate change is also threatening wild varieties. That means domesticated plants may lose an important source of traits that help them overcome new threats. The Red List The International Union for Conservation of Nature (IUCN) keeps a “Red List of Threatened Species.” The Red List de fines the severity and specific causes of a species’ threat of extinction. The Red List has seven levels of conservation: least concern , near threatened , vulnerable, endangered, critically endangered , extinct in the wild , and extinct. Each category represents a different threat level. Species that are not threatened by extinction are placed within the first two categories—least concern and near-threatened. Those that are most threatened are placed within the next three categories, known as the threatened categories —vulnerable, endangered, and critically endangered. Those species that are extinct in some form are placed within the last two categories—extinct in the wild and extinct. Classifying a species as endangered has to do with its range and habitat, as well as its actual population. For this reason, a species can be of least concern in one area and endangered in another. The gray whale ( Eschrichtius robustus ), for instance, has a healthy population in the eastern Pacific Ocean, along the coast of North and South America. The population in the western Pacific, however, is critically endangered.

Least Concern Least concern is the lowest level of conservation . A species of least concern is one that has a widespread and abundant population. Human beings are a species of least concern, along with most domestic animals , such as dogs ( Canis familiaris ) and cats ( Felis catus ). Many wild animals, such as pigeons and houseflies ( Musca domestica ), are also classified as least concern. Near Threatened A near threatened species is one that is likely to qualify for a threatened category in the near future. Many species of violets , native to tropical jungles in South America and Africa, are near threatened, for instance. They have healthy populations, but their rainforest habitat is disappearing at a fast pace. People are cutting down huge areas of rainforest for development and timber . Many violet species are likely to become threatened. Vulnerable Species The definitions of the three threatened categories (vulnerable, endangered, and critically endangered) are based on five criteria: population reduction rate , geographic range, population size, population restrictions , and probability of extinction . Threatened categories have different thresholds for these criteria. As the population and range of the species decreases, the species becomes more threatened. 1) Population reduction rate A species is classified as vulnerable if its population has declined between 30 and 50 percent. This decline is measured over 10 years or three generations of the species, whichever is longer. A generation is the period of time between the birth of an animal and the time it is able to reproduce. Mice are able to reproduce when they are about one month old. Mouse populations are mostly tracked over 10-year periods. An elephant's generation lasts about 15 years. So, elephant populations are measured over 45-year periods. A species is vulnerable if its population has declined at least 50 percent and the cause of the decline is known. Habitat loss is the leading known cause of population decline. A species is also classified as vulnerable if its population has declined at least 30 percent and the cause of the decline is not known. A new, unknown virus , for example, could kill hundreds or even thousands of individuals before being identified. 2) Geographic range A species is vulnerable if its “ extent of occurrence ” is estimated to be less than 20,000 square kilometers (7,722 square miles). An extent of occurrence is the smallest area that could contain all sites of a species’ population. If all members of a species could survive in a single area, the size of that area is the species’ extent of occurrence. A species is also classified as vulnerable if its “ area of occupancy ” is estimated to be less than 2,000 square kilometers (772 square miles). An area of occupancy is where a specific population of that species resides. This area is often a breeding or nesting site in a species range. 3) Population size Species with fewer than 10,000 mature individuals are vulnerable. The species is also vulnerable if that population declines by at least 10 percent within 10 years or three generations, whichever is longer. 4) Population restrictions Population restriction is a combination of population and area of occupancy. A species is vulnerable if it is restricted to less than 1,000 mature individuals or an area of occupancy of less than 20 square kilometers (8 square miles). 5) Probability of extinction in the wild is at least 10 percent within 100 years. Biologists, anthropologists, meteorologists , and other scientists have developed complex ways to determine a species’ probability of extinction. These formulas calculate the chances a species can survive, without human protection, in the wild. Vulnerable Species: Ethiopian Banana Frog The Ethiopian banana frog ( Afrixalus enseticola ) is a small frog native to high- altitude areas of southern Ethiopia. It is a vulnerable species because its area of occupancy is less than 2,000 square kilometers (772 square miles). The extent and quality of its forest habitat are in decline. Threats to this habitat include forest clearance, mostly for housing and agriculture. Vulnerable Species: Snaggletooth Shark The snaggletooth shark ( Hemipristis elongatus ) is found in the tropical, coastal waters of the Indian and Pacific Oceans. Its area of occupancy is enormous, from Southeast Africa to the Philippines, and from China to Australia. However, the snaggletooth shark is a vulnerable species because of a severe population reduction rate. Its population has fallen more than 10 percent over 10 years. The number of these sharks is declining due to fisheries, especially in the Java Sea and Gulf of Thailand. The snaggletooth shark’s flesh, fins, and liver are considered high-quality foods. They are sold in commercial fish markets, as well as restaurants. Vulnerable Species: Galapagos Kelp Galapagos kelp ( Eisenia galapagensis ) is a type of seaweed only found near the Galapagos Islands in the Pacific Ocean. Galapagos kelp is classified as vulnerable because its population has declined more than 10 percent over 10 years. Climate change is the leading cause of decline among Galapagos kelp. El Niño, the natural weather pattern that brings unusually warm water to the Galapagos, is the leading agent of climate change in this area. Galapagos kelp is a cold-water species and does not adapt quickly to changes in water temperature.

Endangered Species 1) Population reduction rate A species is classified as endangered when its population has declined between 50 and 70 percent. This decline is measured over 10 years or three generations of the species, whichever is longer. A species is classified as endangered when its population has declined at least 70 percent and the cause of the decline is known. A species is also classified as endangered when its population has declined at least 50 percent and the cause of the decline is not known. 2) Geographic range An endangered species’ extent of occurrence is less than 5,000 square kilometers (1,930 square miles). An endangered species’ area of occupancy is less than 500 square kilometers (193 square miles). 3) Population size A species is classified as endangered when there are fewer than 2,500 mature individuals. When a species population declines by at least 20 percent within five years or two generations, it is also classified as endangered. 4) Population restrictions A species is classified as endangered when its population is restricted to less than 250 mature individuals. When a species’ population is this low, its area of occupancy is not considered. 5) Probability of extinction in the wild is at least 20 percent within 20 years or five generations, whichever is longer.

Endangered Species: Scimitar -horned Oryx The scimitar-horned oryx ( Oryx dammah ) is a species of antelope with long horns. Its range extends across northern Africa. Previously, the scimitar-horned oryx was listed as extinct in the wild because the last confirmed sighting of one was in 1988. However, the first group of scimitar-horned oryx was released back into the wild in Chad, in August 2016, and the population is growing. Overhunting and habitat loss, including competition with domestic livestock , are the main reasons for the decline of the oryx’s wild population. Captive herds are now kept in protected areas of Tunisia, Senegal, and Morocco. Scimitar-horned oryxes are also found in many zoos . Critically Endangered Species 1) Population reduction rate A critically endangered species’ population has declined between 80 and 90 percent. This decline is measured over 10 years or three generations of the species, whichever is longer. A species is classified as critically endangered when its population has declined at least 90 percent and the cause of the decline is known. A species is also classified as endangered when its population has declined at least 80 percent and the cause of the decline is not known. 2) Geographic range A critically endangered species’ extent of occurrence is less than 100 square kilometers (39 square miles). A critically endangered species’ area of occupancy is estimated to be less than 10 square kilometers (4 square miles). 3) Population size A species is classified as critically endangered when there are fewer than 250 mature individuals. A species is also classified as critically endangered when the number of mature individuals declines by at least 25 percent within three years or one generation, whichever is longer. 4) Population restrictions A species is classified as critically endangered when its population is restricted to less than 50 mature individuals. When a species’ population is this low, its area of occupancy is not considered. 5) Probability of extinction in the wild is at least 50 percent within 10 years or three generations, whichever is longer. Critically Endangered Species: Bolivian Chinchilla Rat The Bolivian chinchilla rat ( Abrocoma boliviensis ) is a rodent found in a small section of the Santa Cruz region of Bolivia. It is critically endangered because its extent of occurrence is less than 100 square kilometers (39 square miles). The major threat to this species is loss of its cloud forest habitat. People are clearing forests to create cattle pastures .

Critically Endangered Species: Transcaucasian Racerunner The Transcaucasian racerunner ( Eremias pleskei ) is a lizard found on the Armenian Plateau , located in Armenia, Azerbaijan, Iran, and Turkey. The Transcaucasian racerunner is a critically endangered species because of a huge population decline, estimated at more than 80 percent during the past 10 years. Threats to this species include the salination , or increased saltiness, of soil . Fertilizers used for agricultural development seep into the soil, increasing its saltiness. Racerunners live in and among the rocks and soil, and cannot adapt to the increased salt in their food and shelter. The racerunner is also losing habitat as people create trash dumps on their area of occupancy. Critically Endangered Species: White Ferula Mushroom The white ferula mushroom ( Pleurotus nebrodensis ) is a critically endangered species of fungus. The mushroom is critically endangered because its extent of occurrence is less than 100 square kilometers (39 square miles). It is only found in the northern part of the Italian island of Sicily, in the Mediterranean Sea. The leading threats to white ferula mushrooms are loss of habitat and overharvesting. White ferula mushrooms are a gourmet food item. Farmers and amateur mushroom hunters harvest the fungus for food and profit. The mushrooms can be sold for up to $100 per kilogram (2.2 pounds). Extinct in the Wild A species is extinct in the wild when it only survives in cultivation (plants), in captivity (animals), or as a population well outside its established range. A species may be listed as extinct in the wild only after years of surveys have failed to record an individual in its native or expected habitat.

Extinct in the Wild: Monut Kaala Cyanea The Mount Kaala cyanea ( Cyanea superba ) is a large, flowering tree native to the island of Oahu, in the U.S. state of Hawai‘i. The Mount Kaala cyanea has large, broad leaves and fleshy fruit. The tree is extinct in the wild largely because of invasive species. Non-native plants crowded the cyanea out of its habitat, and non-native animals such as pigs, rats, and slugs ate its fruit more quickly than it could reproduce. Mount Kaala cyanea trees survive in tropical nurseries and botanical gardens . Many botanists and conservationists look forward to establishing a new population in the wild. Extinct A species is extinct when there is no reasonable doubt that the last remaining individual of that species has died. Extinct: Cuban Macaw The Cuban macaw ( Ara tricolor ) was a tropical parrot native to Cuba and a small Cuban island, Isla de la Juventud. Hunting and collecting the birds for pets led to the bird’s extinction. The last specimen of the Cuban macaw was collected in 1864. Extinct: Ridley’s Stick Insect Ridley’s stick insect ( Pseudobactricia ridleyi ) was native to the tropical jungle of the island of Singapore. This insect, whose long, segmented body resembled a tree limb, is only known through a single specimen, collected more than 100 years ago. During the 20th century, Singapore experienced rapid development. Almost the entire jungle was cleared, depriving the insect of its habitat.

Endangered Species and People When a species is classified as endangered, governments and international organizations can work to protect it. Laws may limit hunting and destruction of the species’ habitat. Individuals and organizations that break these laws may face huge fines. Because of such actions, many species have recovered from their endangered status. The brown pelican ( Pelecanus occidentalis ) was taken off the endangered species list in 2009, for instance. This seabird is native to the coasts of North America and South America, as well as the islands of the Caribbean Sea. It is the state bird of the U.S. state of Louisiana. In 1970, the number of brown pelicans in the wild was estimated at 10,000. The bird was classified as vulnerable. During the 1970s and 1980s, governments and conservation groups worked to help the brown pelican recover. Young chicks were reared in hatching sites, then released into the wild. Human access to nesting sites was severely restricted. The pesticide DDT , which damaged the eggs of the brown pelican, was banned. During the 1980s, the number of brown pelicans soared. In 1988, the IUCN “delisted” the brown pelican. The bird, whose population is now in the hundreds of thousands, is now in the category of least concern.

Convention on Biological Diversity The Convention on Biological Diversity is an international treaty to sustain and protect the diversity of life on Earth. This includes conservation, sustainability, and sharing the benefits of genetic research and resources. The Convention on Biological Diversity has adopted the IUCN Red List of endangered species in order to monitor and research species' population and habitats. Three nations have not ratified the Convention on Biological Diversity: Andorra, the Holy See (Vatican), and the United States.

Lonesome George Lonesome George was the only living member of the Pinta Island tortoise ( Chelonoidis abingdoni ) known to exist. The Pinta Island tortoise was only found on Pinta, one of the Galapagos Islands. The Charles Darwin Research Station, a scientific facility in the Galapagos, offered a $10,000 reward to any zoo or individual for locating a single Pinta Island tortoise female. On June 25, 2012, Lonesome George died, leaving one more extinct species in the world.

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Essay on Endangered Animals

Students are often asked to write an essay on Endangered Animals in their schools and colleges. And if you’re also looking for the same, we have created 100-word, 250-word, and 500-word essays on the topic.

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100 Words Essay on Endangered Animals

Introduction.

Endangered animals are species that are at risk of extinction. The reasons can be many including habitat loss, pollution, and climate change.

Examples of Endangered Animals

Examples of endangered animals include the Siberian Tiger, the Giant Panda, and the Blue Whale. These animals are struggling to survive due to human activities.

Importance of Saving Endangered Animals

Saving endangered animals is important because they play a crucial role in maintaining the balance of nature. Their extinction can disrupt the ecosystem.

We should take steps to protect endangered animals. This includes preserving their habitats and reducing pollution.

Also check:

• 10 Lines on Endangered Animals
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250 Words Essay on Endangered Animals

Introduction to endangered animals.

Endangered animals are those species that are at risk of becoming extinct. This threat is primarily due to human activities such as deforestation, hunting, pollution, and climate change. The International Union for Conservation of Nature (IUCN) maintains the Red List which classifies species based on their extinction risk.

The Impact of Human Activities

Human activities are the primary cause of animal endangerment. Deforestation for agriculture, urban development, and logging destroys habitats, leaving animals without homes or food. Poaching and overfishing deplete animal populations, and pollution can poison waterways and air, affecting both terrestrial and aquatic species.

Climate Change and Animal Endangerment

Climate change exacerbates the threats to endangered species. Rising temperatures can alter habitats, making them uninhabitable for certain species. Changes in precipitation patterns can also disrupt food chains, affecting species at all levels.

The Role of Conservation

Conservation plays a crucial role in preventing extinction. Efforts include creating protected areas, enforcing anti-poaching laws, and breeding programs. However, it also requires addressing the root causes such as unsustainable development and climate change.

The survival of endangered animals is a critical issue. It not only maintains biodiversity but also ensures the health of our ecosystems. As stewards of the planet, it is our responsibility to protect these species and their habitats. Through understanding, awareness, and action, we can help ensure their survival for future generations.

500 Words Essay on Endangered Animals

The term “endangered” refers to species that are at risk of becoming extinct. Endangered animals are those whose numbers are so low that they could soon disappear forever. Conservationists use a set of criteria to categorize the extinction risk, including the number of individuals remaining, the overall increase or decrease in the population over time, breeding success rates, and known threats.

The Plight of Endangered Species

The International Union for Conservation of Nature (IUCN) maintains a “Red List” of threatened species. As of 2020, they reported that more than 37,400 species are threatened with extinction. This includes 41% of amphibians, 34% of conifers, 33% of reef-building corals, 25% of mammals, and 14% of birds. The reasons for the endangerment of these animals range from habitat loss and climate change to overexploitation and pollution.

Habitat loss is perhaps the most significant cause of species endangerment. As humans continue to develop land for housing, agriculture, and commerce, they are destroying natural habitats, often leaving animals without places to live and breed. Moreover, climate change is altering the natural ecosystems that animals rely upon, forcing them to adapt to new conditions or move to new habitats.

Conservation Efforts

Despite these alarming statistics, there is hope. Conservation efforts worldwide aim to protect endangered species and their habitats. These efforts range from establishing protected areas, like national parks and wildlife reserves, to enacting laws that regulate hunting, pollution, and land development.

One of the most effective ways to conserve endangered species is through the establishment of captive breeding programs. These programs aim to increase the population size of endangered species in a controlled environment, with the ultimate goal of reintroducing them into the wild.

The Importance of Biodiversity

Biodiversity, the variety of life on Earth, plays a crucial role in the smooth functioning of ecosystems and our survival. Each species, no matter how small, has an important role to play in ecosystem balance. Losing a single species can have significant and cascading effects on the ecosystem, leading to a domino effect that can disrupt ecosystem services.

In conclusion, the issue of endangered animals is a pressing one, requiring immediate and concerted efforts. While the task is immense, the collective actions of governments, conservation organizations, and individuals can make a difference. By understanding and addressing the causes of endangerment, implementing conservation strategies, and valuing biodiversity, we can help ensure the survival of endangered species for generations to come.

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Endangered Species Issue in the United States Essay

In the past, widespread federal and private poisoning almost led to the extinction of the gray wolf in the United States (Goodall & Hudson, 2009).

After it was listed among the endangered species in northern America, the government and animal conservationist spent millions of dollars in ensuring that this endangered species regained its initial population size. The North America’s gray wolves have played a vital role in the ecosystem (Goodall & Hudson, 2009).

With the extinction of these carnivores in the North American habitats, trophic cascades in the ecosystem will undergo considerable changes (Cain, 2008). The alteration of trophic cascades affects the diversity and functioning of plants’ population.

Due to the increase in ungulates’ population, plants’ biomass will reduce and affect soil and water availability. Normally, plants’ roots hold the soil together and prevent soil erosion. With their destruction, soil erosion will be unavoidable. Correspondingly, the alteration of the soil composition through soil erosion results in the modification of biotic and a-biotic resources causing changes in habitats (Cain, 2008).

The presence of wolves in an ecosystem controls the distribution, conduct and foraging manner of the existing ungulates. In a research conducted in Yellow Stone National Park, the reintroduction of gray wolves resulted in behavioral change of most ungulates (Reiter, 2003).

The research established that most ungulates reduce the time they spend browsing woody vegetation upon the introduction of wolves in the national park. In this regard, the woody vegetation increased. Conversely, with the extinction of the gray wolves in the ecosystem, ungulates will have ample time to browse the woody vegetation.

This will lead to a decline in their number and may eventually become extinct. Likewise, the presence of wolves in a particular ecosystem can determine the behavior of scavengers. With the wolves’ extinction, the population of scavengers will decline as those unwilling to adapt and hunt on their own will starve and die (Swinburne & Brandenburg, 1999).

The existence of wolves in an ecosystem helps to eliminate the weak, diseased, injured and less fitting prey. In this regard, wolves ensure the sustenance of future generations of most ungulates through the passage of desired genes from the healthy and environmentally fitting preys (Reiter, 2003).

Thus, the extinction of wolves in our ecosystem will results in an increase in the ungulates population comprising of unhealthy and undesired preys. With the presence of unhealthy members of the prey, disease threats will compromise the future population (Reiter, 2003).

Wolves’ population determines an ecosystem’s mechanism, process and structures. Commonly, wolves influence the profusion of ungulates in an ecosystem (Mech, 1970). In this regard, plants’ composition and population is indirectly affected. With more wolves in an ecosystem, the number of ungulates will reduce.

This will lead to an increase in the plants’ biomass and diversity. Conversely, the extinction of the wolves’ population will result in an increase in the ungulates population resulting in the reduction and maybe extinction of some of the plant biomass and diversity (Mech, 1970).

Similarly, the extinction of gray wolves will result in an increase in the number of their competitors. These include the brown and black bears. The brown bears population will increase due to the sufficient presence of prey with the extinction of the grey wolves.

In addition, the black bears population will ultimately increase although the two species rarely compete over the same prey. Since gray wolves usually kill black bears’ cubs, their extinction means that the black bears population will increase.

Cain, M. L. (2008). Ecology . Sunderland, Mass.: Sinauer Associates.

Goodall, J., Maynard, T., & Hudson, G. E. (2009). Hope for animals and their world: how endangered species are being rescued from the brink . New York: Grand Central Pub..

Mech, L. D. (1970). The wolf: the ecology and behavior of an endangered species, ([1 st ed.). Garden City, N.Y.: Published for the American Museum of Natural History by the Natural History Press.

Reiter, C. (2003). The gray wolf . Berkeley Heights, NJ: MyReportLinks.com Books.

Swinburne, S. R., & Brandenburg, J. (1999). Once a wolf: how wildlife biologists fought to bring back the gray wolf . Boston, Mass.: Houghton Mifflin.

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Wordplay, The CROSSWORD COLUMN

Savings Plan

John Rippe and Jeff Chen collaborate on a puzzle with a big heart.

By Caitlin Lovinger

Jump to: Tricky Clues | Today’s Theme

SUNDAY PUZZLE — In his print introduction to this grid, Joel Fagliano writes: “John Rippe, of Silver Spring, Md., works in the Office of Protected Resources at the National Marine Fisheries Service. Jeff Chen, of Seattle, is a writer and prolific crossword collaborator. John specifically focuses on the 112-/114-Across in his work, and this puzzle is a tribute to its impact.”

We frequently get great Sunday puzzles with historical and educational angles, but I can’t remember the last time I found myself being emotionally moved by a theme. It’s the topic, of course, which is near and dear to me. But I’m also affected by the origins of the puzzle; it was a passion project and a first crossword construction for Mr. Rippe.

A biologist at NOAA’s Fisheries Service, Mr. Rippe writes of his job helping to enforce the Endangered Species Act (more on that later): “Our agency, together with the U.S. Fish and Wildlife Service, is responsible for implementing the act to protect, conserve and recover more than 1,500 plant and animal species that are listed as threatened or endangered under the act. I personally work on the team that is responsible for determining which marine and anadromous species meet the requirements to be listed as threatened or endangered under the act, and for those species that are listed, we work to develop plans and regulations to facilitate their recovery.”

Today’s Theme

There are seven examples of today’s theme set; each is presented as a pair of down entries in the same column, at 2-/56-, 9-/70-, 16-/64-, 19-/74-, 21-/75-, 36-/96- and 40-/101-Down. The upper entry in each pair contains a smattering of circled squares, and its clue begins with “BEFORE:”; the lower entry in each pair has a clue that starts with “AFTER:”.

I did not find any of the upper clues simple. But one thing about theme entries in the down entries, when you solve a crossword the ordinary way, starting with the across clue set, is that you’re going to have some letters in place to help you along. The first theme entry I completely filled in was 36-Down, “BEFORE: Begin operating effectively,” which solves to GE T I N GE A R . The circled letters, I realized, spell TIGER.

I soon picked up on 19-Down as well. “BEFORE: Rear-end, e.g.,” is C R AS H IN T O ; in this case, the circled letters contain another creature, a RHINO. That is the case for all the upper entries, in fact.

I stumbled on this theme’s trick at 96-Down. “AFTER: Actress Rowlands” has to be GENA; this entry sits just below GE T I N GE A R at 36-Across. Note that the uncircled letters in the upper entry are G-E-N-A, meaning that once the TIGER in GE T I N GE A R disappears, you’re left with GENA. Sure enough, the clue for 74-Down — which sits right below 19-Down, C R AS H IN T O — is “AFTER: Like some statues,” which solves to CAST, and C-A-S-T is what remains after the RHINO vanishes.

Once you know the relationship between the two theme clues in each column, you can use letters from each to guess the other entry and the animal that runs in the circled letters. When you make that connection, your solve will speed up. But take a moment to appreciate what’s happening: Each animal disappears as you move through its pair of theme clues.

The animals also have something in common that is explained by this puzzle’s revealer, which spans two entries at 112- and 114-Across. The “conservation law that celebrated its 50th anniversary in December 2023” is the ENDANGERED / SPECIES ACT, which has proved to be both resilient and effective in preventing hundreds of vulnerable species , including every animal running through the upper theme entries, from going extinct. As today’s title suggests, you might call it a critical “savings plan” for the whole planet.

Tricky Clues

21A. This is sweet wordplay. The “Results of an iron deficiency?” in this puzzle are CREASES, wrinkles in clothes that need to be pressed.

30A/40A. These are two names that have appeared in the crossword for decades, almost always clued the same way. Here, they get fresh trivia questions, neither of which I recognized. At 30A, “Lydic of ‘The Daily Show’” is DESI, a comedian; this entry has been clued as “Lucille’s hubby” or some variation of it since 1953. 40A, the “App used to track fertility” is MIRA, which was a “Star in Cetus” starting in 1943 and for decades after that — until Mira Sorvino came along.

74A. “A bull market it is not!” refers to an old idiom that has to do with livestock, not the stock market. The answer is a fragile place that is often figuratively beset by bulls: a CHINA SHOP.

107A. The solution to this clue surprised me: A “Tiny ‘canvas’ on which to paint” in this puzzle is a TOENAIL. Nail art is big business, though; you can get jewels and glitter with your pedicure, these days.

88D. “Philip II of ____, father of Alexander the Great,” ruled much of classical Greece and built a palace in MACEDON, or Macedonia.

93D. This entry appears in the crossword every so often and seems to have attained some kind of classic status . “‘The Future of Law Enforcement,’ according to a 1987 movie,” refers to ROBOCOP.

Constructor Notes

John Rippe : Jeff and I brainstormed several different approaches to represent the role of the Endangered Species Act in protecting and recovering species that are at risk of extinction. I had initially approached Jeff with the vague idea of constructing an endangered-species-themed puzzle and, with his brilliance and creativity, we came up with the vanishing effect as a nice way to simulate a species going extinct. However, it was important to me that the puzzle highlighted the overwhelming success of the act in preventing that “vanishing” from occurring. Since its passage, the act has prevented extinction for over 99 percent of the species that have been listed as threatened or endangered, including a number of species that have been removed from the list because of their recovery, such as the bald eagle, the American alligator and the brown pelican, and many others that are showing positive signs toward recovery. After playing with the wording of the revealer clues a bit, we landed on the final version of the puzzle. It highlights seven taxa, each comprising one or more species that are currently listed as threatened or endangered under the act. The disappearance of the creatures represented by the paired BEFORE and AFTER entries illustrates a frightening prospect that the Endangered Species Act is in place to prevent. More than anything, I hope that this puzzle is a fun way for people to appreciate and celebrate the incredible impact of the Endangered Species Act over the past 50 years and to look forward to a promising future of species recovery in the next 50 years. Jeff Chen : It was a pleasure working with John on this one. I admire people doing great things with their lives, and the efforts of NOAA are so admirable.

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Home — Essay Samples — Environment — Endangered Species — Ways of Protection Endangered Species

Ways of Protection Endangered Species

• Categories: Animal Welfare Endangered Species

About this sample

Words: 791 |

Published: Apr 29, 2022

Words: 791 | Pages: 2 | 4 min read

The petition filed to protect giraffes

What you can do to help protect endangered species.

• Reduce your plastic consumption. Instead of getting new plastic bags every time you buy groceries, bring reusable ones when you can. Reusable straws are also becoming a trend recently, and they are not difficult to carry around because of their small size. Plastic products are not biodegradable so they can possibly end up somewhere they shouldn’t be in the ecosystem, like in the stomach of a fish or around the neck of a turtle.
• Conserve water. Water is very important for every living creature. Just because we seem to have an abundance of potable water, that doesn’t mean it is the same everywhere else. Little things matter, like turning off the faucet while you are brushing your teeth or reusing the towels in your hotel room.
• Reduce your carbon footprint. Habitat loss is often driven by the expansion of cities and logging. Instead of driving alone, you can opt to walk, bike, or carpool. Conserve energy and consider if the appliances you are purchasing are energy efficient.
• Have an effective trash system. Help preserve the animals’ natural habitat by protecting the environment from too much garbage. Reduce, reuse, and recycle.
• Learn about the endangered species around where you live. 

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