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"
See The New Orangutan Baby At The Denver ZooDenver Zoo visitors were able to see the new baby Sumatran Orangutan on Friday morning.
See The New Sumatran Orangutan Baby At The Denver ZooDenver Zoo visitors can see the new baby Sumatran Orangutan on Friday.
Endangered Sumatran Orangutan Born At Denver ZooThere's a precious new baby at the Denver Zoo!
4 Endangered African Wild Dog Puppies Make Debut At Denver ZooNigel, Theodore Roosevelt, Livingstone and Cholula (the only female) were born at the zoo on Nov. 20, 2017.
Feds Take Most Humpback Whales Off Endangered Species ListFederal authorities took most humpback whales off the endangered species list Tuesday, saying their numbers have recovered through international efforts to protect the giant mammals.
Critically Endangered Frogs Found Only In Lake Titicaca Arrive At Denver ZooThe zoo is now the only institution in the northern hemisphere to house the critically endangered species.
Denver Zoo Penguins Go 'Extinct' For Endangered Species DayThe Denver Zoo is highlighting the 10th anniversary of Endangered Species Day with a disappearing act by their penguins.
$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.
Gray Wolf Decision Could Have Big Ramifications In ColoradoThe U.S. Fish and Wildlife Service is deciding if gray wolves should remain a protected species in Colorado.
Rhino Bites Woman's Finger At Denver ZooA Denver Zoo visitor is recovering after she was bitten by a rhino Wednesday afternoon.