Black-capped (Poecile atricapillus) and mountain (P. gambeli) chickadees are common backyard birds native to the Colorado Front-Range with broadly overlapping distributions in western North America.

Hybrids of two common North American songbirds, the black-capped and mountain chickadee, are more likely to be found in places where humans have altered the landscape in some way, finds new CU Boulder ...

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 ...

Chances are, the melodious namesake call of the black-capped chickadee has brightened your mood while walking, shoveling snow or pulling weeds: chickadee-dee-dee. Here in the Inland Northwest, this ...

Add Yahoo as a preferred source to see more of our stories on Google. A gray-headed chickadee perches on branch at the Marsh Fork of the Canning River in the Arctic National Wildlife Refuge. (Photo by ...

Hybrids of two common North American songbirds, the black-capped and mountain chickadee, are more likely to be found in places where humans have altered the landscape in some way, finds new research.

Carolina chickadees are small, boisterous year-round residents of the southeastern United States. They are regularly found with much larger tufted titmice, white-breasted nuthatches and various ...

I have previously written on the titmouse, a charming bird of raspy voice, lively demeanor and exceptional plainness. Titmice have a cousin that is equally lovable: the chickadee. At first glance ...

Each fall, mountain chickadees face an almost impossible memory challenge that pushes their tiny brains to a biological ...

Is there something universal about the sounds we make that allows vocal learners -- like songbirds -- to figure out how we're feeling? Sounds like it, according to new research. Is there something ...

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 ...