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.
Feds Keep Preble's Mouse On Threatened List The U.S. Fish and Wildlife Service announced Thursday it would continue to protect as a threatened species a mouse that lives along streams in Colorado and eastern Wyoming, saying human development continues to threaten the animal's riparian habitat.
Groups File Lawsuit Over White-Tailed Prairie DogFour conservation groups based in Wyoming, Colorado and Montana have filed a lawsuit seeking to compel federal officials to address the white-tailed prairie dog population.