it’s probably a mountain chickadee. These little birds forage in high coniferous Western forests, from Canada to near the Rio Grande. They nest in dead aspens because the soft wood is easy to ...

An “interior western” group is large and pale-backed ... Although the mountain chickadee is the black-capped’s closest relative, the Carolina chickadee likely will cause the most trouble ...

Wet snow pelts my face and pulls against my skis as I climb above 8,000 feet in the Sierra Nevada of eastern California, tugging a sled loaded with batteries, bolts, wire and 40 pounds of sunflower ...

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 ...