What makes an animal invasive, and which species are causing the most destruction across North America? A species is ...

Colorado has opened the largest wildlife overpass in North America in an effort to reduce animal-related crashes by as much as 90% along a stretch of Interstate 25 in Douglas County. The Greenland ...

The refuge west of Houston just grew by its largest expansion in decades.

Add Yahoo as a preferred source to see more of our stories on Google. The I-25 Greenland wildlife crossing in Colorado's Front Range covers nearly an acre of surface area. Colorado officials on ...

The great blue heron is the largest heron species in North America and is known for its impressive wingspan, patient hunting style, and striking appearance. Often seen near lakes, rivers, and wetlands ...

Measuring in at roughly 183,000 square kilometers, North Dakota is best known for its vast, seemingly-endless plains, with iconic megafauna like the pronghorn, moose and American bison all thriving ...

Mussels baked by the billions. Insect larvae cooked inside scorched cherries. Baby birds plummeted to their deaths from their overheating nests. But some species did just fine during the 2021 North ...

Since the 1970s, the U.S. has lost billions of birds. We now know that those losses aren't just growing—they are accelerating ...

A pair of pale-billed woodpeckers with red heads and black and white bodies. (Courtesy photo) Photographer and author Paul Bannick will deliver an ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. SAN DIEGO (FOX 5/KUSI) — The San Diego Zoo ...

“The American Southwest” is a new film that explores the importance of the Colorado River in western North America to people and to wildlife. Part natural history film, part social documentary, it ...