Birding spot · Tompkins County, New York
Birding at Allan H. Treman Marine Facility: What You'll See Each Week In November, the birds most often reported at Allan H. Treman Marine Facility are Ring-billed Gull (95%), Great Black-backed Gull (92%), and American Herring Gull (91%). It is busiest in spring, when 79 species turn up on at least 1 in 20 checklists, and species counts peak in mid May (91 species). 189 species have been reported here across 1,788 complete checklists from 475 birders.
Species by week 0 20 40 60 80 100 Jan 1-7: 55 species on 5%+ of 86 checklists Jan 8-14: 52 species on 5%+ of 71 checklists Jan 15-21: 48 species on 5%+ of 83 checklists Jan 22-31: 57 species on 5%+ of 96 checklists Feb 1-7: 59 species on 5%+ of 57 checklists Feb 8-14: 58 species on 5%+ of 48 checklists Feb 15-21: 51 species on 5%+ of 34 checklists Feb 22-28: 60 species on 5%+ of 55 checklists Mar 1-7: 53 species on 5%+ of 45 checklists Mar 8-14: 59 species on 5%+ of 47 checklists Mar 15-21: 58 species on 5%+ of 23 checklists Mar 22-31: 49 species on 5%+ of 41 checklists Apr 1-7: 52 species on 5%+ of 22 checklists Apr 8-14: 79 species on 5%+ of 20 checklists Apr 15-21: 70 species on 5%+ of 28 checklists Apr 22-30: 75 species on 5%+ of 96 checklists May 1-7: 75 species on 5%+ of 48 checklists May 8-14: 74 species on 5%+ of 42 checklists May 15-21: 91 species on 5%+ of 20 checklists May 22-31: 85 species on 5%+ of 19 checklists Jun 1-7: 71 species on 5%+ of 14 checklists Jun 8-14: 61 species on 5%+ of 26 checklists Jun 15-21: 68 species on 5%+ of 18 checklists Jun 22-30: 66 species on 5%+ of 20 checklists Jul 1-7: 67 species on 5%+ of 13 checklists Jul 8-14: 67 species on 5%+ of 19 checklists Jul 15-21: 51 species on 5%+ of 22 checklists Jul 22-31: 66 species on 5%+ of 32 checklists Aug 1-7: 68 species on 5%+ of 16 checklists Aug 8-14: 67 species on 5%+ of 15 checklists Aug 15-21: 66 species on 5%+ of 22 checklists Aug 22-31: 65 species on 5%+ of 31 checklists Sep 1-7: 49 species on 5%+ of 27 checklists Sep 8-14: 52 species on 5%+ of 41 checklists Sep 15-21: 91 species on 5%+ of 18 checklists Sep 22-30: 79 species on 5%+ of 27 checklists Oct 1-7: 82 species on 5%+ of 35 checklists Oct 8-14: 69 species on 5%+ of 37 checklists Oct 15-21: 64 species on 5%+ of 44 checklists Oct 22-31: 71 species on 5%+ of 48 checklists Nov 1-7: 61 species on 5%+ of 28 checklists Nov 8-14: 64 species on 5%+ of 26 checklists Nov 15-21: 50 species on 5%+ of 24 checklists Nov 22-30: 50 species on 5%+ of 29 checklists Dec 1-7: 59 species on 5%+ of 15 checklists Dec 8-14: 54 species on 5%+ of 30 checklists Dec 15-21: 61 species on 5%+ of 39 checklists Dec 22-31: 57 species on 5%+ of 91 checklists Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Number of species reported on at least 5% of complete checklists, by week (4 per month). Grey bars: fewer than 10 checklists, not counted. In November: what to expect 1 Ring-billed Gull 95% 2 Great Black-backed Gull 92% 3 American Herring Gull 91% 4 Common Merganser 91% 5 Mallard 90% 6 Double-crested Cormorant 83% 7 Black-capped Chickadee 81% 8 American Goldfinch 69% 9 Carolina Wren 64% 10 American Crow 61% 11 Canada Goose 61% 12 Downy Woodpecker 53% 13 Blue Jay 51% 14 Northern Cardinal 50% 15 White-breasted Nuthatch 48% Share of complete checklists at this spot that reported the bird in November. The sparkline is the whole year, with this month highlighted.
Season by season Specialties Birds reported far more often here than across New York.
Nearby spots Frequency is the share of complete checklists at this location that listed the bird, 2016–2025. Busy places report more of everything, and the weekly chart counts species on at least 5% of checklists so a few stray reports do not inflate it. How to read it .
Ring-billed Gull95%
Great Black-backed Gull92%
American Herring Gull91%
Common Merganser91%
Mallard90%
Double-crested Cormorant83%
Black-capped Chickadee81%
American Goldfinch69%
Carolina Wren64%
American Crow61%
Canada Goose61%
Downy Woodpecker53%
Blue Jay51%
Northern Cardinal50%
White-breasted Nuthatch48%