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

Audubon Christmas Bird Count

Please cite this Page as:

Sauer, J. R., S. Schwartz, and B. Hoover. 1996. The Christmas Bird Count Home Page. Version 95.1. Patuxent Wildlife Research Center, Laurel, MD

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General Information

• Introduction
• About the Christmas Bird Count
• Help Index
  • General Introduction to CBC
  • Trend Analysis
  • Annual Indices
  • Relative Abundance Maps
  • Circle Location Map
  • Who Made This?
• The National Audubon Society

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Geographic Information from the CBC

Draft section!
• New Distribution Maps and clickable maps with site-specific information

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Summary of Survey Results

Population Trends-Estimates of Bird Population Change Over Time

Annual Indices-Graphs of Bird Population Change Over Time

Annual Indices-Comparison with BBS data

Abundance Maps-Spatial Patterns of Bird Abundance

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Links to Additional Information Sources

• BBS Home Page