Watching chickadees flit through the treetops is like witnessing master acrobats at work. These adorable birds duck and dodge ...

Chickadees are plump, sparrow-sized birds with tiny beaks. Mountain chickadees are a bit larger and stockier than the black-capped chickadee. Both species have a black cap and throat with a white ...

The most widespread, numerous, and geographically variable chickadee, this bird brightens winter days at bird feeders and eagerly takes advantage of nest boxes. It is curious, with little or no ...

The chestnut-backed chickadee is curious about humans, and spends the postbreeding and winter seasons foraging noisily in mixed-species flocks. Unlike other parids (except for the mountain ...

More than 100,000 birds were in Utah on March 18. Utah and other Rocky Mountain states have altitudinal migrants, such as the ...

Peak bird migration is about to start in Colorado and around the country. Here are tools for tracking and identifying the ...

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 ...