WhenToBird

Birding spot · Will County, Illinois

Birding at Whalon Lake (Walnut Woods): What You'll See Each Week

In November, the birds most often reported at Whalon Lake (Walnut Woods) are Mallard (83%), Gadwall (70%), and Canada Goose (49%). It is busiest in fall, when 65 species turn up on at least 1 in 20 checklists, and species counts peak in the second week of May (71 species). 161 species have been reported here across 1,186 complete checklists from 224 birders.

Species by week

020406080Jan 1-7: 33 species on 5%+ of 16 checklistsJan 8-14: 30 species on 5%+ of 10 checklistsJan 15-21: 29 species on 5%+ of 11 checklistsJan 22-31: low data (7 checklists)Feb 1-7: low data (4 checklists)Feb 8-14: 37 species on 5%+ of 11 checklistsFeb 15-21: 28 species on 5%+ of 21 checklistsFeb 22-28: 34 species on 5%+ of 33 checklistsMar 1-7: 39 species on 5%+ of 43 checklistsMar 8-14: 31 species on 5%+ of 48 checklistsMar 15-21: 40 species on 5%+ of 36 checklistsMar 22-31: 41 species on 5%+ of 67 checklistsApr 1-7: 49 species on 5%+ of 47 checklistsApr 8-14: 43 species on 5%+ of 26 checklistsApr 15-21: 55 species on 5%+ of 35 checklistsApr 22-30: 56 species on 5%+ of 34 checklistsMay 1-7: 56 species on 5%+ of 27 checklistsMay 8-14: 71 species on 5%+ of 19 checklistsMay 15-21: low data (4 checklists)May 22-31: 48 species on 5%+ of 12 checklistsJun 1-7: 48 species on 5%+ of 10 checklistsJun 8-14: low data (8 checklists)Jun 15-21: 47 species on 5%+ of 12 checklistsJun 22-30: 49 species on 5%+ of 16 checklistsJul 1-7: low data (7 checklists)Jul 8-14: 56 species on 5%+ of 16 checklistsJul 15-21: low data (9 checklists)Jul 22-31: 44 species on 5%+ of 10 checklistsAug 1-7: low data (8 checklists)Aug 8-14: 44 species on 5%+ of 16 checklistsAug 15-21: 47 species on 5%+ of 14 checklistsAug 22-31: 37 species on 5%+ of 66 checklistsSep 1-7: 50 species on 5%+ of 52 checklistsSep 8-14: 53 species on 5%+ of 26 checklistsSep 15-21: 61 species on 5%+ of 18 checklistsSep 22-30: 63 species on 5%+ of 31 checklistsOct 1-7: 60 species on 5%+ of 44 checklistsOct 8-14: 67 species on 5%+ of 38 checklistsOct 15-21: 50 species on 5%+ of 41 checklistsOct 22-31: 41 species on 5%+ of 45 checklistsNov 1-7: 41 species on 5%+ of 37 checklistsNov 8-14: 35 species on 5%+ of 21 checklistsNov 15-21: 41 species on 5%+ of 34 checklistsNov 22-30: 31 species on 5%+ of 25 checklistsDec 1-7: 27 species on 5%+ of 13 checklistsDec 8-14: 28 species on 5%+ of 24 checklistsDec 15-21: 31 species on 5%+ of 12 checklistsDec 22-31: 29 species on 5%+ of 22 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. 1Mallard83%
  2. 2Gadwall70%
  3. 3Canada Goose49%
  4. 4Great Blue Heron44%
  5. 5Hooded Merganser41%
  6. 6Northern Shoveler40%
  7. 7Red-tailed Hawk31%
  8. 8Ring-billed Gull29%
  9. 9European Starling26%
  10. 10American Robin23%
  11. 11American Coot21%
  12. 12American Tree Sparrow21%
  13. 13Red-winged Blackbird21%
  14. 14American Goldfinch21%
  15. 15Blue Jay20%

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 31 species

  1. Mallard79%
  2. Canada Goose65%
  3. Gadwall54%
  4. Hooded Merganser49%
  5. Red-tailed Hawk30%

Spring 47 species

  1. Canada Goose90%
  2. Red-winged Blackbird83%
  3. Mallard77%
  4. American Robin66%
  5. Gadwall48%

Summer 53 species

  1. Great Egret90%
  2. Great Blue Heron78%
  3. Red-winged Blackbird76%
  4. Mallard61%
  5. Barn Swallow52%

Fall 65 species

  1. Mallard75%
  2. Great Blue Heron68%
  3. Canada Goose55%
  4. Great Egret49%
  5. Red-winged Blackbird47%

Specialties

Birds reported far more often here than across Illinois.

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.