NYC Organizations and Clubs

NYC Bird Alliance
The American Littoral Society - NE chapter
American Museum of Natural History
The Brooklyn Bird Club
City Island Birds
Feminist Bird Club
Latino Outdoors NYC
The Linnaean Society of New York
Outdoor Afro - New York City
Queens County Bird Club
Protectors of Pine Oak Woods
Staten Island Museum
Wild Bird Fund

New York State and National Organizations

New York State Ornithological Association
New York State Young Birders Club
National Audubon Society
American Bird Conservancy
American Birding Association

Internet Bird Sightings Lists

eBirdsNYC (bird sightings for NYC area, not affiliated with eBird)
eBird Alerts (alerts you can set up through your eBird account)
The NY State Birding List (birding group for all New York State)
North American Rare Bird Alert