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 ...

A genetically confirmed F1 black-capped and mountain chickadee hybrid found in Boulder County, CO in 2021 as part of the Boulder Chickadee Study. This female built an incomplete nest (the nest should ...

In the hybrid zone that encompasses the Lehigh Valley in Pennsylvania, the habitats of the Carolina Chickadee and the Black-capped Chickadee converge, creating an opportunity for the different species ...

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 sometimes hear Georgians refer to the little black-and-white bird coming to their feeders as the black-capped chickadee. Actually, in Georgia, it would be the Carolina chickadee, one of the state’s ...

Last Thursday morning it was pleasant and cool on the porch as I drank my morning coffee and watched two ruby-throated hummingbirds spar. It was a nice break from the hot, humid day before, although ...

There’s something special about chickadees. They’re curious (they’ll come investigate if you make a pish-pish-pish sound), they’re smart (they stash seeds to eat over the winter), and they’re so ...

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 ...