New York State Birders Conference 2023

David Allen Sibley will be the keynote speaker for the New York State Birders Conference, hosted by Saw Mill River Audubon September 22–24, 2023, in Tarrytown, New York. This event is also the 2023 meeting of the New York State Ornithological Association, which connects the birds and birders of the Empire State through over 40 Audubon chapters and bird clubs.

Sibley will be the keynote dinner speaker on Saturday night, and Tom Stephenson, co-author of The Warbler Book, will be the Saturday afternoon workshop keynote, with a focused workshop about learning bird sounds.

The conference will be held at the Sleepy Hollow Hotel and Conference Center in Tarrytown next to the Cuomo/Tappan Zee Bridge. Registration and all details are at

Other event highlights include:

  • Excellent morning field trips on Saturday and Sunday to key birding hotspots led by local birding leaders. Special field trips include the opportunity for a guided kayak paddle in the Croton and Hudson rivers, as well as a wheelchair-accessible field trip to the State Line Palisades Hawk Watch overlooking the Hudson River.
  • Saturday afternoon workshops on birding and photography skills, advocacy, and arts, followed by the NYSOA annual delegates meeting.
  • Birding quiz for all ages led by the NYS Young Birders Club Friday night.
  • Ornithological research paper and poster sessions. Visit to be considered as a presenter. Open to researchers from high school to postgraduate, with free registration provided for selected researchers.
  • Saturday night banquet with delicious food, good company, and our very special keynote speaker.

Register as soon as possible at Field trips and workshops will be space limited and available only by online registration.  Registration rates increase on July 1.

Conference questions and inquiries may be directed to

NY BBA III Breeding Codes: Possibles and Probables

By Julie Hart, NY BBA III

Possible Breeding Codes

There are only two codes that fall in the Possible category and they are used to indicate the presence of a species in the block in the appropriate habitat (H) and singing birds (S). Both of these codes should only be used if the bird is in appropriate nesting habitat (you may have to look this up online or in a field guide) and only during the breeding season (look this up on the Breeding Guideline Bar Chart). With both codes, it’s a good idea to return to the site a few weeks later to see if you can bump up the code for that species to the Probable or Confirmed categories. It’s likely the bird is on territory but maybe you are there at the wrong time of day or too early in the season. 

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NY BBA III Breeding Codes: Confirmations

By Julie Hart, Atlas Project Coordinator

What are the different categories of breeding evidence?

The atlas breeding codes fall into four categories or levels: Observed, Possible, Probable, and Confirmed. As you can tell by their names, they range from weak to strong evidence for breeding. Observed and Possible codes indicate that a bird is present, but we don’t have enough evidence to say that they are attempting to breed.

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