From sleeping on impossibly thin branches to nesting in hollow trunks, these 20 cats have officially moved into the treetops.

Not all fish play by the same reproductive rules. Evolutionary biology reveals how deception became a successful mating ...

The most high-profile wildlife viewing opportunity in the Lewiston-Clarkston Valley is getting a makeover of sorts. The Idaho Department of Fish and Game and Avista are working together to ...

At a quiet street intersection in Chicago's Englewood neighborhood, the imposing figure of a pine tree is only outweighed by ...

With the arrival of spring, people around the world find different ways to welcome the warmth and renewal of the season. For ...

Deep within the tropical rainforests of Central and South America lives one of the most powerful birds on Earth: the harpy ...

New Zealand's Department of Conservation launched a live stream of a kākāpō nest home to a 24-year-old female, one of 236 ...

Adélie penguins may appear orderly in their Antarctic colonies, but their nesting season reveals a far more intense struggle. These birds rely on carefully collected stones to build nests that keep ...

As ancient, hollowed trees disappear in England, one researcher and his team are engineering prosthetic nests to provide an alternative home for endangered birds.

When the researchers matched recordings to air quality data, they found birds sang the least on the smokiest days.

Lake City Elementary kindergarten and second grade students visited Missaukee Mountain for a winter adventure• They explored the resort, discussed how it had changed since fall, and rotated ...

The absence of one famous bald eagle had everyone on edge. All eyes have been on this nature cam in Big Bear Lake, California ...