The most widespread, numerous, and geographically variable chickadee, this bird brightens winter ... white. Three subspecies groups differ in several characters. A “northwestern” group is ...

In fall and winter, it regularly forms small mixed-species flocks, but a single flock rarely includes more than 6 white-­breasteds. Commonly seen at bird feeders, the white-breasted is often ...

Great clouds of snow geese are streaming across our winter skies ... geese also enable the flock to keep each other in view.

Flocks of birds wheeling, swooping and gliding in unison, as if choreographed, are a wonderful sight. The benefit to members of the flock are many including safety from predators, more eyes to ...

CHINA DAILY Nov 23 was the happiest day of last winter ... a flock of nearly 400 white cranes in his patrol area near Poyang Lake. "I was thrilled. It was the largest number of migratory birds ...