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 ...

Chickadees naturally nest in the cavities of old trees, but they will also use nest tubes and nest boxes which you can put up in your yard. Large native trees and shrubs are also helpful for ...

Many of our birds are cavity nesters, that is, they nest in holes in trees and fence posts. Woodpeckers can use their strong ...

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 ...