They nest in dead aspens because the soft wood is easy to excavate. Like all other chickadees, these birds stash food away for winter, caching nuts and seeds. Their call is distinguished by its ...

The Boulder Chickadee Study leverages an extensive network of nest boxes from Boulder up to the Mountain Research Station to examine how cities are changing interactions between these two species from ...

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 ...