Watching chickadees flit through the treetops is like witnessing master acrobats at work. These adorable birds duck and dodge through branches as they hunt down small insects. Not only are these ...

Both beak shape and body mass are also important. In general, smaller birds generate higher frequency sounds, with larger ...

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 ...

Winter’s season has pounced upon us, reminding us of who is in charge of the weather. Mother Nature has transformed the ...

Black-capped and mountain chickadees are closely-related species that co-occur in Boulder County but ... We pair field studies with cutting-edge genomic tools to understand interactions between these ...

They’re selling like hot suet cakes. Of that 22, one black-capped chickadee is going home with customer John Schoch, who calls himself “a bird guy.” The chickadee was his mother’s favorite ...