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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Blue Whales Roam Dangerously Close to Shipping Lanes
A blue whale killed by a ship collison is examined by Oregon State University researchers aboard their 85-foot vessel, the Pacific Storm.
July 23rd, 2014
The feeding grounds of blue whales along the U.S. West Coast overlap dangerously with shipping lanes, placing the behemoths in danger of collisions with ships. This finding could help prevent human threats to these endangered titans, scientists added.
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Dams Imperil Pakistan's Endangered River Dolphins
indus river dolphin
July 16th, 2014
The Indus River dolphin range has declined dramatically as a result of dams that have fragmented their native habitat, new research finds.
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Extinction Rates Soar to 1,000 Times Normal (But There's Hope)
diversity map of birds in the americas
May 29th, 2014
Species are going extinct at least 1,000 times faster than they would be if humans didn't exist, new research finds. However, scientists say that technology and citizen-science tools can turn this biodiversity crisis around.
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Smile, Hawaiian Wildlife: You're on Candid Camera
Puma Drone Surveys Hawaiian Wildlife
July 15th, 2014
This summer, Hawaii's endangered wildlife will be on candid camera, as two kinds of drones survey the numbers and whereabouts of animals in their natural habitats.
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European Bison to Be Released into Wild
April 28th, 2014
Bison went extinct in Europe nearly 100 years ago, but conservationists are taking small steps to bring the animals back into the wild.
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Secret Grizzly Bear Feeding Site Discovered (and Kept Hidden)
grizzly bear with salmon in its mouth
July 21st, 2014
A river teeming with spawning salmon lures grizzly bears from hundreds of miles away, new research suggests.
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They're Back! Endangered Fish Spawns in Grand Canyon
Razorback sucker fish
June 18th, 2014
After returning to the lower Colorado River in 2012 after a 22-year absence, the endangered razorback sucker fish is now spawning in Grand Canyon National Park.
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Scientists Focusing on the Wrong Sharks in the Wrong Places (Op-Ed)
Blacktip whaler shark, shark fishing, endangered species
May 15th, 2014
The ongoing collapse of shark populations has already had far-reaching effects on marine ecosystems. To arrest this trend we need scientific data that effectively inform conservation management. But are we focusing our research effort in the right areas?
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