Black-capped and mountain chickadees are closely-related species that co-occur in Boulder County but occupy different habitats based on elevation. The Boulder Chickadee Study leverages an extensive ...

Learn all about the chickadee birds. There are seven different species of chickadees in the U.S. All of them have snazzy dark caps and black bibs. Black-capped chickadees are found at feeders ...

Wet snow pelts my face and pulls against my skis as I climb above 8,000 feet in the Sierra Nevada of eastern California, ...

The chestnut-backed chickadee is curious about humans, and spends the postbreeding and winter seasons foraging noisily in mixed-species flocks. Unlike other parids (except for the mountain ...

the Carolina chickadee likely will cause the most trouble, especially in late spring and summer when the black-capped’s white wing edgings are worn. Where their ranges overlap, the 2 species ...

Both beak shape and body mass are also important. In general, smaller birds generate higher frequency sounds, with larger ...

Wagner DN, Curry RL, Chen N, Lovette IJ, Taylor SA. 2020. Genomic regions underlying metabolic and neuronal signaling pathways are temporally consistent outliers in a moving avian hybrid zone.

One of the species that I most enjoy watching are chickadees when they are bustling around the woods. A flock of the little ...

Everywhere I looked there were birds. Sprites in perpetual motion, determined to find their next meal. Kinglets, chickadees, creepers, nuthatches, and wrens worked through the forest understory as ...

I recently visited the American Museum of Natural History in New York City. The museum has housed and shared artifacts about ...