• Central Westchester Audubon Society
• Bedford Audubon Society
• Bronx River - Sound Shore (Formerly Scarsdale Audubon Society) 
• New York City Audubon Society
• Rockland Audubon Society
• Saw Mill River Audubon Society
• Where to go Bird Watching in Westchester
• 10000birds.com
• Westchester Bird Checklist
  

Birding Links

• BIRDZILLA -Comprehensive selection of wild bird information, articles, 
  on-line lifelist, and the Birdzilla.com mall.
• Avi's Bird and Nature Photos
• National Audubon Society
• American Birding Association
• Birding on the Net
• Cornell Laboratory of Ornithology
• Audubon New York
• Fire Island Raptor Enumerators
• Federation of New York State Bird Clubs
• Hawk Migration Association of North America
• Where to bird in NY
• Ten Tips for Beginning Bird Watchers
• All About Bird Feeding

Other Links

• Historic Rivertowns of Westchester
  A good spot for general information on the Hudson River Valley