Black-capped Chickadees (Parus atricapillus) sing a two-note tonal song that has stereotyped frequency parameters (glissando and frequency interval). We hand-reared and tutored pairs of nestlings in ...

Wonder about the difference between a grackle and a starling? Do colorful warblers catch your fancy? What gave the Cooper's hawk its name? Ask me -- The Bird Lady. I'm the science editor at the ...

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 ...

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 ...

Nice to see that there has been some public mention of the recent philosophical discussion over chickadee songs (Singing a new song, Friday, June 6). Quite frankly, I think N. Thomas and R. Davis are ...

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 ...

On my land in the Black Forest, north of Colorado Springs, Colorado, the black-capped chickadees are up to something. They don’t migrate, but the notes in their spring song have. It may be a stretch ...

WASHINGTON, D.C., November 5, 2015 - Songbirds join humans in the select few animal groups that are "vocal learners" -- that is, they must learn from adults of their own species to develop a normal ...

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 ...

While most people have put their lives on hold to practice social distancing, Spring isn't slowing down--Daffodils continue stubbornly pushing to the sky & chickadees keep singing their hearts out.

This is a preview. Log in through your library . Abstract Black-capped chickadees Poecile atricapillus alter the number of D notes of their chick-a-dee call to reflect urgency and threat. Here, I ...