The bristly, sex-crazed antechinus has two previously unknown species in its family, a new study finds.
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.
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.
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.
A rare leatherback turtle stranded on a remote South Carolina beach was released back into the wild today (March 12).
See photos of wildlife experts in South Carolina rescuing a stranded leatherback turtle on March 7, 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.
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.
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.
The elusive and rare Sierra Nevada red fox has been spotted in Yosemite National Park for the first time in nearly a century.
Successfully combating the disease has been difficult, but a group has been exploring some new techniques that control the fungus using naturally occurring soil microbes.
A baby killer whale was born into the endangered J-pod that lives off the coast of Washington state.
The monarch butterfly, once common across the United States, could soon end up on the Endangered Species List.
A coyote hunter in Utah mistakenly shot and killed an endangered gray wolf, which wildlife groups worry was the same wolf photographed near the Grand Canyon this fall.
A salamander tadpole with two seemingly functional heads is born in Israel, and researchers are speculating that environmental pollutants or random mutation may have caused the defect.
The world's most endangered porpoise could go extinct in four or five years if the Mexican government doesn't step up enforcement against illegal fishing.
Illegal gillnet fishing in the Gulf of California is driving the vaquita, a tiny, critically endangered and elusive porpoise, to extinction.
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