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 ...

There is nothing like spring. Just stand outside for a minute or two and you will hear what I mean. Birds are singing. From all corners of the prairies, forests and backyards the birds are singing ...

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 ...