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 ...

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 ...

A deep-voiced black-capped chickadee may wonder why other birds ignore it, but there may be a good reason behind the snub, says a University of Alberta study that looked into how the bird responds to ...

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 ...

(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 ...