Endangered Species

An endangered species is defined by the U.S. Fish & Wildlife Service as "an animal or plant species in danger of extinction throughout all or a significant portion of its range." In the United States, these animals can be listed under and protected by the Endangered Species Act. Endangered Species in the United States include the black-footed ferret and the California red-legged frog. The International Union for Conservation of Nature also keeps a Red List of Threatened Species, the most widely recognized list of endangered and threatened species. On this list, for example, are all the surviving subspecies of tiger, which range from endangered to critically endangered.
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Cartwheeling Spider, Corpse-Hoarding Wasp Among Bizarre New Species
This agile spider (<em>Cebrennus rechenbergi</em>) cartwheels its way out of danger.
May 21st, 2015
A morbidly maternal wasp, a crop-circle-creating pufferfish and an acrobatic arachnid are among the bizarre and awe-inspiring new species named in 2014, according to a new ranking.
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Rescued Leatherback Turtle Released Today in South Carolina
Leatherback turtle
March 12th, 2015
A rare leatherback turtle stranded on a remote South Carolina beach was released back into the wild today (March 12).
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Rarest Big Cat on Earth Starting to Make a Comeback
An Amur leopard.
February 23rd, 2015
Things are starting to look up for the rarest big cat on the planet.
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Only 3 Wolves Are Left at Isle Royale National Park
three wolves
April 22nd, 2015
Inbreeding is to blame for the decline in wolves at Isle Royale National Park, ecologists say, but climate change may be an indirect culprit in the population crash.
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Photos of the Incredible Leatherback Turtle Rescue
Leatherback turtle
March 12th, 2015
See photos of wildlife experts in South Carolina rescuing a stranded leatherback turtle on March 7, 2015.
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Great White Sharks Are Late Bloomers
A great white shark cruises underwater in search of prey.
February 19th, 2015
Great white sharks may have an even more delayed adolescence than humans, not reaching sexual maturity until they are in their second and third decades, new research shows.
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Rare Red Fox Reappears in Yosemite Park
Sierra Nevada red fox
January 29th, 2015
The elusive and rare Sierra Nevada red fox has been spotted in Yosemite National Park for the first time in nearly a century.
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1st Photo of Rare Monkey Proves It's Not Extinct
colombus monkey
April 16th, 2015
The long-vanished Bouvier's red colobus monkey has been spotted again in a remote Congo forest.
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Photo First: Rare Tiger Family Portrait
Amur tiger family
March 10th, 2015
For the first time, conservationists have spotted an Amur tiger dad leading his family along a snowy trail in Russia's Far East forests.
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Mexican Wolf Population Now Tops 100 in US
February 17th, 2015
Federal officials counted 109 wild Mexican wolves, or lobos, in the Southwest in 2014, up from 83 in 2013. It's the fifth year in a row the small population has grown in the United States.
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