WhenToBird

Birding spot · Genesee County, New York

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

In November, the birds most often reported at Iroquois National Wildlife Refuge (east) are Canada Goose (79%), Red-winged Blackbird (72%), and American Robin (71%). It is busiest in spring, when 97 species turn up on at least 1 in 20 checklists, and species counts peak in the second week of May (102 species). 189 species have been reported here across 1,155 complete checklists from 518 birders.

Species by week

0255075100125Jan 1-7: low data (8 checklists)Jan 8-14: low data (2 checklists)Jan 15-21: low data (4 checklists)Jan 22-31: low data (3 checklists)Feb 1-7: low data (3 checklists)Feb 8-14: low data (6 checklists)Feb 15-21: low data (7 checklists)Feb 22-28: low data (4 checklists)Mar 1-7: low data (8 checklists)Mar 8-14: 37 species on 5%+ of 21 checklistsMar 15-21: 36 species on 5%+ of 30 checklistsMar 22-31: 45 species on 5%+ of 26 checklistsApr 1-7: 67 species on 5%+ of 20 checklistsApr 8-14: 62 species on 5%+ of 29 checklistsApr 15-21: 57 species on 5%+ of 24 checklistsApr 22-30: 84 species on 5%+ of 59 checklistsMay 1-7: 87 species on 5%+ of 62 checklistsMay 8-14: 102 species on 5%+ of 113 checklistsMay 15-21: 99 species on 5%+ of 90 checklistsMay 22-31: 84 species on 5%+ of 133 checklistsJun 1-7: 77 species on 5%+ of 42 checklistsJun 8-14: 79 species on 5%+ of 34 checklistsJun 15-21: 67 species on 5%+ of 46 checklistsJun 22-30: 78 species on 5%+ of 36 checklistsJul 1-7: 75 species on 5%+ of 16 checklistsJul 8-14: 82 species on 5%+ of 17 checklistsJul 15-21: 59 species on 5%+ of 21 checklistsJul 22-31: 80 species on 5%+ of 17 checklistsAug 1-7: 75 species on 5%+ of 13 checklistsAug 8-14: 69 species on 5%+ of 11 checklistsAug 15-21: 71 species on 5%+ of 14 checklistsAug 22-31: 60 species on 5%+ of 28 checklistsSep 1-7: 56 species on 5%+ of 23 checklistsSep 8-14: 50 species on 5%+ of 21 checklistsSep 15-21: 72 species on 5%+ of 14 checklistsSep 22-30: 58 species on 5%+ of 23 checklistsOct 1-7: 70 species on 5%+ of 17 checklistsOct 8-14: 53 species on 5%+ of 32 checklistsOct 15-21: 59 species on 5%+ of 18 checklistsOct 22-31: 46 species on 5%+ of 16 checklistsNov 1-7: low data (5 checklists)Nov 8-14: low data (6 checklists)Nov 15-21: low data (3 checklists)Nov 22-30: low data (4 checklists)Dec 1-7: low data (6 checklists)Dec 8-14: low data (4 checklists)Dec 15-21: low data (4 checklists)Dec 22-31: 26 species on 5%+ of 12 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. 1Canada Goose79%
  2. 2Red-winged Blackbird72%
  3. 3American Robin71%
  4. 4Great Blue Heron68%
  5. 5Tree Swallow54%
  6. 6Song Sparrow53%
  7. 7Mallard52%
  8. 8Gray Catbird51%
  9. 9Common Grackle50%
  10. 10Northern Yellow Warbler46%
  11. 11Northern Cardinal44%
  12. 12Great Egret43%
  13. 13Red-bellied Woodpecker43%
  14. 14Blue Jay41%
  15. 15Black-capped Chickadee40%

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 24 species

  1. Canada Goose62%
  2. Black-capped Chickadee46%
  3. Downy Woodpecker44%
  4. Hairy Woodpecker37%
  5. White-breasted Nuthatch32%

Spring 97 species

  1. Canada Goose89%
  2. Red-winged Blackbird87%
  3. American Robin80%
  4. Great Blue Heron76%
  5. Common Grackle72%

Summer 76 species

  1. American Robin82%
  2. Gray Catbird79%
  3. Great Blue Heron79%
  4. Red-winged Blackbird76%
  5. Eastern Wood-Pewee62%

Fall 58 species

  1. Canada Goose80%
  2. Blue Jay57%
  3. Black-capped Chickadee51%
  4. Great Egret51%
  5. Red-bellied Woodpecker50%

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.