Organizations

Audubon New York
Audubon Society of the Capital Region
Cornell Laboratory of Ornithology
Columbia County Tourism
     ( order your CC Hudson Valley
       Region Bird Guide here)
Columbia Land Conservancy
Harlem Valley Rail Trail
Hudson-Mohawk Bird Club
Hudson River Valley Greenway
John Burroughs Association CHANGED 3/13/09
National Audubon Society
National Wildlife Federation
The Nature Conservancy
The New York State Bluebird Society
New York State Department of
      Environmental Conservation CHANGED 3/13/09
New York State Ornithological Association
Ralph T. Waterman Bird Club
     (Dutchess County)
Scenic Hudson

Projects and Data

BirdSource - Bird counts and count data (Cornell / National Audubon)
Breeding Bird Atlas - Home Page (NYSDEC) CHANGED 3/13/09
Hudson River Almanac (NYSDEC) CHANGED 3/13/09
NYSOA Waterfowl Count
Migratory Bird Research - Patuxent Bird Population Studies
New York State Avian Records Committee (NYSOA/NYSARC)
North American Breeding Bird Survey
Project Feederwatch (Cornell Laboratory of Ornithology)

Reference

AOU Checklist
Bent Life Histories (Birdzilla.com) - Enter a species name in the Search box, click Search, and then click the Bent Life History button at the upper right after you get to the species detail page.
Birding on the Net (Siler--previously Birding on the Web)