WhenToBird

Birding spot · Genesee County, New York

Birding at Iroquois National Wildlife Refuge (Oak Orchard Swamp): What You'll See Each Week

In November, the birds most often reported at Iroquois National Wildlife Refuge (Oak Orchard Swamp) are American Robin (77%), Red-winged Blackbird (73%), and Black-capped Chickadee (71%). It is busiest in spring, when 85 species turn up on at least 1 in 20 checklists, and species counts peak in mid May (92 species). 148 species have been reported here across 803 complete checklists from 361 birders.

Species by week

020406080100Jan 1-7: low data (5 checklists)Jan 8-14: low data (2 checklists)Jan 15-21: low data (3 checklists)Jan 22-31: low data (3 checklists)Feb 1-7: low data (4 checklists)Feb 8-14: low data (2 checklists)Feb 15-21: low data (4 checklists)Feb 22-28: low data (2 checklists)Mar 1-7: low data (5 checklists)Mar 8-14: low data (6 checklists)Mar 15-21: 32 species on 5%+ of 12 checklistsMar 22-31: 35 species on 5%+ of 12 checklistsApr 1-7: 42 species on 5%+ of 13 checklistsApr 8-14: 50 species on 5%+ of 15 checklistsApr 15-21: 54 species on 5%+ of 17 checklistsApr 22-30: 66 species on 5%+ of 33 checklistsMay 1-7: 81 species on 5%+ of 54 checklistsMay 8-14: 77 species on 5%+ of 82 checklistsMay 15-21: 92 species on 5%+ of 85 checklistsMay 22-31: 75 species on 5%+ of 90 checklistsJun 1-7: 62 species on 5%+ of 28 checklistsJun 8-14: 65 species on 5%+ of 24 checklistsJun 15-21: 64 species on 5%+ of 26 checklistsJun 22-30: 68 species on 5%+ of 25 checklistsJul 1-7: 65 species on 5%+ of 19 checklistsJul 8-14: 71 species on 5%+ of 10 checklistsJul 15-21: 54 species on 5%+ of 10 checklistsJul 22-31: 75 species on 5%+ of 19 checklistsAug 1-7: low data (7 checklists)Aug 8-14: low data (5 checklists)Aug 15-21: low data (9 checklists)Aug 22-31: 50 species on 5%+ of 12 checklistsSep 1-7: 46 species on 5%+ of 21 checklistsSep 8-14: 60 species on 5%+ of 14 checklistsSep 15-21: low data (7 checklists)Sep 22-30: 64 species on 5%+ of 17 checklistsOct 1-7: 43 species on 5%+ of 11 checklistsOct 8-14: 53 species on 5%+ of 16 checklistsOct 15-21: 40 species on 5%+ of 11 checklistsOct 22-31: 41 species on 5%+ of 12 checklistsNov 1-7: low data (9 checklists)Nov 8-14: low data (5 checklists)Nov 15-21: low data (9 checklists)Nov 22-30: low data (5 checklists)Dec 1-7: low data (3 checklists)Dec 8-14: low data (7 checklists)Dec 15-21: low data (2 checklists)Dec 22-31: 25 species on 5%+ of 11 checklistsJanFebMarAprMayJunJulAugSepOctNovDec
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. 1American Robin77%
  2. 2Red-winged Blackbird73%
  3. 3Black-capped Chickadee71%
  4. 4Song Sparrow66%
  5. 5Gray Catbird61%
  6. 6Northern Cardinal55%
  7. 7Swamp Sparrow55%
  8. 8Northern Yellow Warbler53%
  9. 9American Goldfinch52%
  10. 10American Redstart52%
  11. 11Downy Woodpecker51%
  12. 12Red-bellied Woodpecker51%
  13. 13White-breasted Nuthatch48%
  14. 14Common Yellowthroat47%
  15. 15Common Grackle45%

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

Winter 28 species

  1. Black-capped Chickadee79%
  2. Downy Woodpecker67%
  3. White-breasted Nuthatch56%
  4. American Crow46%
  5. Red-bellied Woodpecker44%

Spring 85 species

  1. Red-winged Blackbird88%
  2. American Robin84%
  3. Song Sparrow75%
  4. Black-capped Chickadee67%
  5. Northern Yellow Warbler67%

Summer 62 species

  1. American Robin87%
  2. Gray Catbird87%
  3. Song Sparrow80%
  4. American Redstart77%
  5. Red-winged Blackbird74%

Fall 52 species

  1. Black-capped Chickadee91%
  2. Blue Jay74%
  3. Downy Woodpecker68%
  4. White-breasted Nuthatch67%
  5. Red-bellied Woodpecker66%

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.