NYC Organizations and Clubs

American Museum of Natural History
New York City Audubon
The Brooklyn Bird Club
The American Littoral Society - NE chapter northeast-chapter/jamaica-bay-guardian
Queens County Bird Club
The Linnaean Society of New York
City Island Birds
Staten Island Museum

New York State and National Organizations

New York State Young Birders Club
National Audubon Society

Internet Bird Sightings Lists

Metro Birding Briefs (Rarities ONLY in the Tri-State Area)
E-Birds NYC (birding group for NYC area)
The NY State Birding List (birding group for all New York State)
SINaturaList (birding group for Staten Island)