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 ...

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 ... field-based ...

Learn all about the chickadee birds. There are seven different species of chickadees in the U.S. All of them have snazzy dark ...