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 ...

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 ...

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 ...

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.

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 ...

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 ...

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 ...

(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) Sofia Marie Haley, University of Nevada, Reno (THE CONVERSATION) I approach a flock of ...