Although the mountain chickadee is the black-capped’s closest relative, the Carolina chickadee likely will cause the most trouble, especially in late spring and summer when the black-capped’s ...

To figure out what goes on in the brains of black-capped chickadees, researchers created an indoor arena fit for the tiny birds. In the arena, there were 128 sites where food could be concealed.

Learn all about the chickadee birds. There are seven different species of chickadees in the U.S. All of them have snazzy dark caps and black ... birds stash food away for winter, caching nuts ...

Black-capped and mountain chickadees are closely-related species that co-occur in Boulder County but occupy different habitats based on elevation. The Boulder Chickadee Study leverages an extensive ...