WhenToBird

Birding spot · Genesee County, New York

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

In November, the birds most often reported at Iroquois National Wildlife Refuge are Canada Goose (83%), Mallard (82%), and Bald Eagle (55%). It is busiest in spring, when 59 species turn up on at least 1 in 20 checklists, and species counts peak in late May (65 species). 174 species have been reported here across 2,149 complete checklists from 657 birders.

Species by week

020406080Jan 1-7: 20 species on 5%+ of 17 checklistsJan 8-14: low data (6 checklists)Jan 15-21: low data (7 checklists)Jan 22-31: low data (6 checklists)Feb 1-7: low data (8 checklists)Feb 8-14: 18 species on 5%+ of 11 checklistsFeb 15-21: 20 species on 5%+ of 14 checklistsFeb 22-28: 37 species on 5%+ of 17 checklistsMar 1-7: 33 species on 5%+ of 35 checklistsMar 8-14: 37 species on 5%+ of 76 checklistsMar 15-21: 35 species on 5%+ of 91 checklistsMar 22-31: 39 species on 5%+ of 104 checklistsApr 1-7: 48 species on 5%+ of 86 checklistsApr 8-14: 47 species on 5%+ of 108 checklistsApr 15-21: 53 species on 5%+ of 62 checklistsApr 22-30: 59 species on 5%+ of 98 checklistsMay 1-7: 62 species on 5%+ of 86 checklistsMay 8-14: 59 species on 5%+ of 120 checklistsMay 15-21: 57 species on 5%+ of 90 checklistsMay 22-31: 65 species on 5%+ of 196 checklistsJun 1-7: 56 species on 5%+ of 57 checklistsJun 8-14: 55 species on 5%+ of 51 checklistsJun 15-21: 50 species on 5%+ of 51 checklistsJun 22-30: 52 species on 5%+ of 52 checklistsJul 1-7: 65 species on 5%+ of 40 checklistsJul 8-14: 52 species on 5%+ of 25 checklistsJul 15-21: 53 species on 5%+ of 43 checklistsJul 22-31: 57 species on 5%+ of 36 checklistsAug 1-7: 51 species on 5%+ of 31 checklistsAug 8-14: 38 species on 5%+ of 22 checklistsAug 15-21: 57 species on 5%+ of 33 checklistsAug 22-31: 52 species on 5%+ of 55 checklistsSep 1-7: 48 species on 5%+ of 36 checklistsSep 8-14: 59 species on 5%+ of 19 checklistsSep 15-21: 35 species on 5%+ of 22 checklistsSep 22-30: 45 species on 5%+ of 27 checklistsOct 1-7: 53 species on 5%+ of 38 checklistsOct 8-14: 52 species on 5%+ of 59 checklistsOct 15-21: 49 species on 5%+ of 39 checklistsOct 22-31: 45 species on 5%+ of 39 checklistsNov 1-7: 37 species on 5%+ of 27 checklistsNov 8-14: 41 species on 5%+ of 18 checklistsNov 15-21: 42 species on 5%+ of 16 checklistsNov 22-30: 34 species on 5%+ of 34 checklistsDec 1-7: 31 species on 5%+ of 18 checklistsDec 8-14: low data (7 checklists)Dec 15-21: low data (3 checklists)Dec 22-31: 20 species on 5%+ of 13 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 Goose83%
  2. 2Mallard82%
  3. 3Bald Eagle55%
  4. 4American Wigeon54%
  5. 5American Coot45%
  6. 6Gadwall43%
  7. 7Green-winged Teal35%
  8. 8Northern Pintail34%
  9. 9American Goldfinch33%
  10. 10Ring-necked Duck32%
  11. 11American Crow29%
  12. 12Pied-billed Grebe25%
  13. 13Ring-billed Gull25%
  14. 14American Black Duck24%
  15. 15Bufflehead23%

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 Goose76%
  2. Bald Eagle60%
  3. Mallard31%
  4. Red-tailed Hawk28%
  5. American Crow19%

Spring 59 species

  1. Canada Goose93%
  2. Red-winged Blackbird84%
  3. Great Blue Heron76%
  4. Tree Swallow73%
  5. Mallard65%

Summer 51 species

  1. Great Blue Heron87%
  2. Great Egret83%
  3. Red-winged Blackbird79%
  4. Pied-billed Grebe66%
  5. Black Tern65%

Fall 43 species

  1. Mallard80%
  2. Canada Goose67%
  3. Pied-billed Grebe59%
  4. Great Blue Heron52%
  5. Great Egret48%

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.