Birding Information

General Birding Information
• Birding.com - Birding
• Surfbirds.com
• North American Rare Bird Alert
• Birding United States

Birding and Conservation Organizations

• National Audubon Society
• The Nature Conservancy
• Cornell Lab of Ornithology
• Minnesota Ornithologists Union
• American Ornithology Society (AOS)
• National Geographic Society
• American Birding Association

Rare Bird Alerts

• NARBA - North American Rare Bird Alert
• Worldwide Rare Bird Alerts

Birding Companies

• Peterson Field Guides
• GORP - Great Outdoor Recreation Pages
• Thayer Birding Software
• Field Guides, Inc. (tours)
• Princeton Univ. Press (source of bird books)
• Focus on Nature Tours, Inc.
• Wild Bird Centers of America, Inc.

Bird Photos and Digital Image Libraries

• Corps of Engineers Digital Image Library
• U.S. Fish and Wildlife Service Digital Library System

Bird Checklists

• Avibase – The World Bird Database: Bird Checklists of the World
• The Cornell Lab or Ornithology CHlements Checklist
• American Birding Association Checklist