I then filter out the constant chickadee noise, listening for faint chips, zeets and zips that give away the presence of a warbler or two. That’s the easy part. I am fortunate that time hasn’t ...

Mountain chickadees in Boulder have evolved a different tune to avoid getting mixed up with their cousins, according to a new CU Boulder-led study published Oct. 9 in the Journal of Evolutionary ...

Lost your keys? Can't remember where you parked the car? If only you had the memory of a mountain chickadee. These half-ounce birds, with brains slightly larger than a pea, stash tens of thousands ...

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

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 ...

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 ...