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 ...

Add Yahoo as a preferred source to see more of our stories on Google. Mountain chickadees are unusual in having more complex calls than songs. Vladimir Pravosudov I approach a flock of mountain ...

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 ...

Sofia Marie Haley does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond ...