Everything you need to know to run your Christmas Bird Count circle
Join the Christmas Bird Count
A collection of reports and summaries of the 123rd CBC, December 14, 2022 to January 5, 2023
Track how your favorite birds have fared over decades with our CBC trends viewer.
Hundreds of studies by scientists around the world have put CBC data to use
How the count started, and how the data is used today.
Peruse the printed records of past Christmas Bird Count or find a full bibliography for American Birds and Bird Lore.