Mountain chickadee females form devoted pair bonds, yet something keeps drawing them toward certain other males in the flock.

How to identify: Like all chickadees, the mountain chickadee has striking black-and-white markings on the head and gray elsewhere. The white stripe over the eye identifies mountain chickadees from all ...

At first glance, dark-eyed juncos and chickadees can look quite similar. They’re around the same size and shape, their plumage includes shades of gray and white, and you might find both of them around ...

Editor's note: Benjamin P. Burtt began discussing the family life of chickadees as reported by scientist Jon Glase in his Aug. 16 column. Jon Glase, who carefully watched what each parent did during ...

A chickadee, blissfully unaware of the cold, dashes in to a bird feeder, picks up a seed in its beak and flits to a nearby shrub. There, the little bird perches on a branch, and then grips the seed ...

I am pelted by wet snow 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 seeds critical to our ...

Your feathered friends are most likely fine.

Researchers in Anchorage are working to crack a tough nut in the form of a beak deformity affecting a large portion of black-capped chickadees and other birds in parts of Alaska, including the Kenai ...