American Birds 2002-2003, Summary of the 103rd Christmas Bird Count

American Birds 103: Cover Shot
Photo by Jay and Kevin McGowan
Highly intelligent, extremely social, sometimes maligned, and frequently misunderstood, the American Crow (Corvus brachyrhynchos) is also one of the most common and widespread birds of North America. Studies have documented some startling similarities to human social behavior, including mutual grooming (called "allopreening"), as demonstrated by the adult and hatching year bird on the cover. Crows have been hard hit by the West Nile virus; ongoing studies, including many utilizing Christmas Bird Count data, help to document and understand the magnitude of the virus' impact.

The 103rd CBC was another record count--see all the details in American Birds. Hard work on the part of Compilers and Participants allowed rapid analyses of this season's data to help document the effects of the West Nile virus on bird populations.

 Note: all articles below require Adobe Acrobat Reader  for viewing.

Downloadable Resources

Articles in this Publication
American Birds 103: Citizen Science and Bird Conservation: An Overview of Audubon’s Long-Range Commitment (70k) by Greg Butcher
American Birds 103: Determining Impacts of West Nile Virus on Crows and Other Birds (65k) by Carolee Caffrey
American Birds 103: Christmas Bird Count Data Suggest West Nile Virus May Not Be A Conservation Issue in Northeastern United States (200k) by Carolee Caffrey and Charles C. Peterson
American Birds 103: Combined Data of Project FeederWatch and the Christmas Bird Count Indicate Declines of Chickadees and Corvids: Possible Impacts of West Nile Virus (700k) by David N. Bonter and Wesley M. Hochachka
American Birds 103: New Information on Wintering Birds of Northwestern Chihuahua (185k) by J. Scott Dieni, William H. Howe, Stephanie L. Jones, Patricia Manzano-Fischer, and Cynthia P. Melcher
American Birds 103: Enjoying Christmas Bird Count Data on the Internet (186k) by Greg Butcher
American Birds 103: Diary of a Mad Counter: The Challenging Adventure of a Christmas Bird Count Marathon (270k) by Kelly J. McKay
American Birds 103: Alphabetical Index to Regional Summaries (27k)
American Birds 103: Regional Summaries of the 103rd Christmas Bird Count (1.7 MB)
American Birds 103: Count Circles, Codes, and Compilers in the 103rd Count (107k)
American Birds 103: Summary of Highest Counts of Individuals for Canada (107k) by Richard J. Cannings
American Birds 103: Summary of Highest Counts of Individuals for the United States (60k) by Brent Ortego
American Birds 2002-2003, Summary of the 103rd Christmas Bird Count
American Birds 103: The 103rd Christmas Bird Count by Geoffrey S. LeBaron
American Birds 103: Christmas Bird Count Canada: 2002-2003 by Richard J. Cannings