North-Prealpine stone loaches were found in "small to medium size rivers" with "clear" and "swiftly flowing water," the study said. The fish primarily eat insects and typically live "at the bottom of ...

That same blood cloning process which resulted in the Colossal dire wolves has wider applications for other threatened animals, like the critically endangered red wolf.

More There are only 16 confirmed red wolves in the wild, with the Fish and Wildlife Service estimating there are likely one to three additional wild wolves.

Highly endangered red wolf pups die after car killed father on US 64 in Eastern North Carolina. Conservation groups want wildlife crossing.

Four American red wolf puppies were born at the St. Louis Zoo Sears Lehmann, Jr. Wildlife Reserve, marking a milestone for the endangered species.

A day after news broke of a fourth red wolf death in 10 months on a highway off the Outer Banks, U.S. Fish and Wildlife Service on Friday announced a new litter for the critically endangered species.

The last stand of the red wolf: Dying species relying on pack leader’s legacy Their fragile existence in the wild has rested on Red Wolf 2323. Can a pack survive without him?

An environmental group has sued the U.S. Fish and Wildlife Service over its classification of red wolves. The world's only wild population of the species live in North Carolina.

The U.S. Fish and Wildlife Service also released an updated red wolf recovery plan Friday calling for $328 million in spending over the next 50 years to get the red wolf off the endangered species ...

Over 25 years, the red wolf went from being declared extinct in the wild to becoming hailed as an Endangered Species Act success story.