Community Science

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. 

Christmas Bird Count Links

Join the Christmas Bird Count Access Count Results Explore CBC Trends Enter Your CBC Data American Birds Sign Up Compiler Resources
Christmas Bird Count organized by Birdability in Stonington, Connecticut. Photo: Mike Fernandez/Audubon

Join the Christmas Bird Count

You can add to a century of community science by signing up for a count near you.
Find Out More

The Christmas Bird Count is made possible by many partners and sponsoring organizations across the hemisphere. Visit our partnership page to learn more.