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 an extensive ...

I’ve been working as a research assistant dissecting chickadee nests as a part of Dr. Haley Kenyon’s project, which includes examining how nest composition differs between black-capped and mountain ...