WASHINGTON -- The love life of a female chickadee could make a country music classic: "If your song don't pass muster, buster, I'm gone." The lady chickadee has a cheatin' heart, quick to find another ...

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 ...

Last winter a mountain chickadee named Irving stole my heart. Alas, when spring arrived he also stole the heart of a female chickadee. He brought her to the feeder a couple of times and showed her it ...

I approach a flock of mountain chickadees feasting on pine nuts. A cacophony of sounds, coming from the many different bird species that rely on the Sierra Nevada’s diverse pine cone crop, fill the ...