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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Can 'Good' Bacteria Save Bats From Killer Fungus?
wns, white nose syndrome, bats
January 13th, 2015
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.
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Monarch Butterflies Considered for Endangered Species Status
January 2nd, 2015
The monarch butterfly, once common across the United States, could soon end up on the Endangered Species List.
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In Photos: The World's Most Endangered Marine Mammal
vaquita porpoise
December 9th, 2014
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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It's a Girl! Newborn Killer Whale Identified in Endangered Pod
Newborn Killer Whale
January 9th, 2015
Researchers have determined the baby orca born into a pod off the west coast is a female.
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Grand Canyon Gray Wolf May Have Been Shot in Utah
Grand Canyon wolf
December 30th, 2014
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.
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Critically Endangered Porpoise Could Be Extinct in Four Years
vaquita porpoise
December 9th, 2014
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.
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Pangolin 'Medicine' Trade Leading to Rapid Extinction
the pangolin, extinction, endangered species
November 9th, 2014
Despite their recognition as an endangered species and the supposed protection that brings, pangolin are now the most trafficked wild mammal species in the world.
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Newborn Killer Whale Brings Hope for Endangered Pod
The new baby orca swims alongside its presumed mother.
January 5th, 2015
A baby killer whale was born into the endangered J-pod that lives off the coast of Washington state.
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Two-Headed Baby Salamander Isn't Radioactive, But It Is Weird
A two-headed salamander tadpole.
December 10th, 2014
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.
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Autopsies from Space: Who Killed the Sea Lions?
Sea lions at Prince William Sound, sea lions
November 24th, 2014
A decade ago, we set out to unravel deep ocean crime scenes we weren’t even sure existed. The crime? Endangered Steller sea lions were rapidly disappearing in parts of Alaska.
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