Patuxent Wildlife Research Center (PWRC)    Migratory Bird Research (MBR)    Comments/FAQ(comments)

Christmas Bird Count Summary and Analysis

<< Press Release From The National Audubon Society Announcing The 107th Christmas Bird Count>>

Geographic and Temporal Analysis of Winter Bird Populations

Wintering Distribution Mapswinter distribution maps icon

The Wintering Bird Distribution Maps are based on average effort-adjusted counts from The Christmas Bird Count, 1959 - 1988

Historical CBC Analysis

This analysis of CBC data was conducted in 1997 based on average effort-adjusted counts from The Christmas Bird Count, 1959 - 1988. Patuxent staff are currently involved in updating this analysis using statistical methods developed at the Patuxent Wildlife Research Center.

Recent Christmas Bird Count Publications by Patuxent Authors


Last updated 12/13/2006