Audubon Christmas Bird Count

A hemispheric community science program with a century of history behind it.

More than a century of your data powers our science.

The nation's longest-running community science bird project fuels Audubon's work throughout the year. The Christmas Bird Count occurs December 14 to January 5 every season. Sign up to receive information and results about all of Audubon's community science programs through American Birds, our email newsletter.