Audubon Christmas Bird Count

Please cite this Page as:

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

Geographic Information from the CBC

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

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

Viewer Response Line: Tell us What you Think!

Links to Additional Information Sources

• BBS Home Page