Last Caribou Herd On U.S. Mainland 'Functionally Extinct,' Experts SayThe last herd of southern mountain caribou -- known as gray ghosts -- has reportedly dwindled down to the point where wildlife experts are calling them "functionally extinct"
World's Last Male Northern White Rhino DiesThe world's last male northern white rhino has died leaving only two females left to save the subspecies from extinction.
Leatherback Sea Turtles Could Come Off 'Endangered' ListFederal ocean managers say it might be time to move the East Coast population of the world's largest turtle from the United States' list of endangered animals.
Most Humpback Whales Taken Off Endangered Species ListTheir numbers have recovered through international efforts to protect the giant mammals.
Giant Panda No Longer Endangered, Conservation Group SaysThe giant panda, which was previously on the endangered list, is now listed as "vulnerable" after conservation efforts helped protect its habitat.
Wildlife Officials Seek To Declare Eastern Cougars ExtinctThe cougars are believed to have been extinct for at least 70 years.
Endangered Turtles From New England Aquarium Released Back To OceanFifteen endangered sea turtles rehabilitated by Boston’s New England Aquarium were released back into the ocean Saturday.
Endangered Gorilla Gives Birth At Franklin Park ZooVisitors can now see the newest member of the gorilla family at the Franklin Park Zoo.
$4 Million In US Projects That Aim To Protect Sage Grouse Could Hurt MilitaryFederal officials have announced more than $4 million in projects in four states as part of a wildfire-fighting strategy but the efforts could hurt training operations at numerous U.S. military facilities in the West.
Biologists Question Federal Plans To Protect Sage Grouse BirdThe government is preparing insufficient protections for a ground-dwelling bird that has declined significantly over the past century and soon will face a possible endangered species listing.
Man Spots Rare Atlantic Sturgeon Fish In Charles RiverA local tax accountant recently snapped photos of the rare sturgeon fish in the Charles River.