When it comes to bird perches, it’s best to provide variety—after all, in the wild, they wouldn’t be sitting on the same ...

Stanford University engineers have created a robot bird that can use its feet to perch ... even among all of the complexity and variability of the tree branches you would find in a forest.” The ...

The Great Potoo has small slits in its eyelids that allow it to detect movement and light even when its eyes are shut.

In a video of a sun-drenched yard, a cat relaxes in the branch of a tree, with a man-made birdbox above him. But rather than waiting for prey, he's getting a haircut—from a tiny bird ...