Discover how mountain chickadees use complex calls to communicate food sources, social interactions, and predator presence.

Chickadees, tufted titmice and nuthatches are comfortable with a 1-1/4-inch hole, while bluebirds need about 1-1/2 inches to get inside. Hang the Birdhouse at the Right Height ...

Mountain chickadees struggle with snow extremes. Benjamin Sonnenberg. Wet snow pelts my face and pulls against my skis as I climb above 8,000 feet in the Sierra Nevada of eastern California ...

A black-capped chickadee by any other name is a Poecile atricapillus. That’s the bird’s scientific name, the reference used worldwide to avoid the confusion a list of local names could offer ...

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 ...