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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.
- Urban Area
An urban area is the region surrounding a city.Most...
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A rainforest is an area of tall, mostly evergreen trees and...
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Captive breeding of endangered species makes zoos valuable...
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An invasive species is an organism that is not indigenous,...
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- Overview
- The Red List
- Endangered Species Act
The term "threatened" is broader than you might think. Discover the origins and meaning of threatened species.
The word “threatened” can conjure alarming images of a species on the brink of disappearing forever. The term’s actual meaning, however, is not necessarily that dire—depending on who you ask.
Established in 1964, the Red List indicates the global conservation status of animals, plants and fungi. It keeps track of species that have undergone global assessments of their extinction risk and sorts them into eight categories: data deficient, least concern, near threatened, vulnerable, endangered, critically endangered, extinct in the wild and extinct. Under Red List guidelines, species that are rated vulnerable, endangered, or critically endangered are also considered threatened.
The status of a species on the Red List changes periodically. A plant or an animal that is considered threatened today may not be threatened a year from now. The Red List category that a species falls into depends on its population size, geographic range, past reductions in population, and probability of extinction in the wild.
In 1973, the U.S. Congress passed the Endangered Species Act to try to prevent species from becoming extinct. The law classifies plants and animals as endangered if they’re at risk of extinction through all or most of their geographic areas. Species are listed as threatened if they’re likely to become endangered in the foreseeable future.
To classify a species, the U.S. Fish & Wildlife Service considers damage to its habitat, overuse of it, disease or predation, inadequate protection, and other factors. It’s illegal under the Endangered Species Act for a person to hunt, kill, capture, or otherwise harm a threatened animal without a permit. States might also have separate laws governing activity that involves endangered and threatened animals.
Unlike species listed as endangered, those classified as threatened under the Endangered Species Act can be taken from the wild for exhibition in a zoo or for educational reasons. State natural resource departments also can move threatened species if it’s part of a conservation effort. To protect a threatened species, the Fish & Wildlife Service can add other conservation-minded regulations.
The ultimate goal of the Endangered Species Act is to take species off the list of species that the act protects. When a plant or an animal is no longer marching toward extinction, the federal law has done its job.
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Conservation at a Crossroads
- 91 min
25 de jan. de 2019 · How does the Endangered Species Act protect animals at risk? From bald eagles to alligators, this historic conservation bill has helped save iconic American species from extinction for 50 years.
27 de fev. de 2024 · Endangered Species. Animals. The world's largest fish are vanishing without a trace. Read. Animals. Why America's 4,000 native bees need their day in the sun. Read. Animals. How can we protect...
30 de jul. de 2019 · In the U.S., 719 animal species are listed as federally endangered or threatened. Every state is home to endangered species—some well-known, some obscure. All are vital to their ecosystems.
2 de abr. de 2024 · User Permissions. Across the globe, species are vanishing at rates 1,000 times greater than any time in history. Meet five of the world's most endangered species, from tigers to turtles, through their portraits taken for the National Geographic Photo Ark by Joel Sartore.
