Christmas Bird Count Circles 2024. For three weeks each year (14 december to 5 january) tens of thousands of birders head out to conduct the audubon christmas bird count™. The christmas bird count has become a winter tradition for many birders across the country with friendly competitions among states and even circles.
The annual christmas bird count, begun in 1900, is the oldest and one of the largest citizen science projects in the western hemisphere. The christmas bird count occurs december 14 to january 5 every season.