The 105th CBC smashed records across the boards--number of counts included, number of participants involved, and species totals in North America and the Tropics.  Read the summaries in American Birds, peruse the Pictorial Highlights, and find feature articles on Citizen Science, climate

change, and the importance of the CBC to Audubon's upcoming State of the Birds report.   

 

 

 

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

File sizes are indicated next to each article link.

 

Pages 1-9 (435k) these two articles:
The 105th Christmas Bird Count by Geoffrey S. LeBaron (first 6 pages of article in this section)
The 105^th Christmas Bird Count in Canada by Richard J. Cannings

Think local, Act Global (91k) by Paul T. Green and Frank B. Gill

 

Pages 13-16 (177k) include these two articles:
Migration? Weather? What’s up? CBC Database Helps Birders Find the Answers by Geoffrey S. Lebaron

The View From Anderson’s Farm: global Warming and Massachusetts Birds by Wayne R. Petersen and Kathleen S. Anderson

 

Sympatry of Grassquits on New providence Island, Bahamas, Based on Analysis of CBC Data (235k) by Anthony White, John Bjerke, Paul Dean, Kathleen Sealey

 

Using Christmas Bird Count Data to Assess Population Dynamics and Trends of Waterbirds (155k) by Gregory S. Butcher, Daniel K. Niven, John R. Sauer

 

Pictorial Highlights, Page 7 of The 105^th Christmas Bird Count by Geoffrey S. LeBaron, and Alphabetical Index to Regional Summaries (555k)

 

Pages 28-40 (508k) include these two articles:

Importance of the CBC to Understanding Boreal Bird Populations by Jeffrey Wells

The Boreal Forest Region: North America’s Bird Nursery by Peter Blancher and Jeffrey Wells

Regional Summaries of the 105th Christmas Bird Count:

 
Regional Summaries pages 43-50 (718k) (Atlantic Canada, Quebec, Ontario, Prairie Provinces & N. Canada)
Regional Summaries pages 51-58 (763k) (Prairie Provinces & N. Canada, British Columbia and Yukon Territory, Alaska, New England, New York)
Regional Summaries pages 59-66 (646k) (New York, New Jersey, Pennsylvania, Delaware, Maryland, Washington, D.C., N. Carolina, S. Carolina)
Regional Summaries pages 67-74 (715k) (S. Carolina, Georgia, Florida, Ohio, West Virginia, Kentucky, Tennessee, Mississippi, Alabama)
Regional Summaries pages 75-80 (605k) (Mississippi, Alabama, Michigan, Indiana, Wisconsin, Illinois)
Regional Summaries pages 81-86 (787k) (Illinois, Minnesota, Iowa, Missouri, Arkansas, Louisiana, N. Dakota, S. Dakota, Nebraska, Kansas, Oklahoma)
Regional Summaries pages 87-92 (799k) (N. Dakota, S. Dakota, Nebraska, Kansas, Oklahoma, Texas, Montana, Idaho, Wyoming, Utah)
Regional Summaries pages 93-98 (763k) (Wyoming, Utah, Colorado, New Mexico, Nevada, Arizona, Washington, Oregon, California)
Regional Summaries pages 99-106 (575k) (California, Hawaii, Pacific Islands, Mexico, Belize, Central and South America, West Indies, Bermuda)

 

Pages 107-128 (350k) contain the following articles:

Christmas Bird Count Editorial Codes and Database Flags

Count Circles, Codes, and Compilers on the 105th Count 

Summary of Highest Counts of Individuals for Canada, by Richard J. Cannings
Summary of Highest Counts of Individuals for the United States, by Brent Ortego