The annual summary of the Christmas Bird Count has been published in a variety of forms since the count's inception in 1900. Until the 112th CBC, results were either published in print ...

This chunky, big-billed finch wanders widely in winter, descending on bird feeders in colorful, noisy flocks, to thrill feeder-watchers and to consume prodigious amounts of sunflower seeds. Originally ...

The emblem bird of the United States, majestic in its appearance. It is not always so majestic in habits: it often feeds on carrion, including dead fish washed up on shore, and it steals food from ...

These comprehensive guides to flora, fauna, geology, and climate cover eight geographic regions of North America. From weather patterns to wildflowers, birds to natural history—Audubon Regional Field ...