If you notice a chickadee with a white stripe on its head, it’s probably a mountain chickadee.These little birds forage in high coniferous Western forests, from Canada to near the Rio Grande.

Black-capped and mountain chickadees are estimated to have diverged from a common ancestor over 2 million years ago, but they still overlap across many areas of the western U.S., including the Rocky ...

FALMOUTH — Mainers have been driving around with a black-capped chickadee on their license plates for 19 years, thinking they are proudly displaying the state bird. They may not be. The Maine ...

The black-capped chickadee, which is common in Maine and throughout North America, sports a distinctive black head and brilliant white cheeks. The boreal chickadee, ...

One researcher’s studies found that black-capped chickadees can gain an additional 10% of their body weight each day by stuffing themselves, before using that fat to shiver all night to stay warm.

A black-capped chickadee on a cold Alaska day. (Photo by Jim DeWitt) During the darkest days of Alaska’s winter, black-capped chickadees stuff themselves with enough seeds and frozen insects to ...

For black-capped chickadees, that means Poecile atricapillus for the Latin name, and any number of regional names. Bird names, both common and scientific, try to help clarify which bird is which.

FALMOUTH — Mainers have been driving around with a black-capped chickadee on their license plates for 19 years, thinking they are proudly displaying the state bird. They may not be. The Maine ...

Black-capped Chickadees don’t let food go to waste. These puffy little birds, with their oversize head and dark eyes resembling those of a Beanie Baby, are always hoarding extra grub such as ...