WhenToBird

Birding spot · DuPage County, Illinois

Birding at Armstrong Park: What You'll See Each Week

In November, the birds most often reported at Armstrong Park are Canada Goose (95%), Mallard (95%), and Mourning Dove (84%). It is busiest in spring, when 62 species turn up on at least 1 in 20 checklists, and species counts peak in the second week of May (78 species). 146 species have been reported here across 1,630 complete checklists from 115 birders.

Species by week

020406080Jan 1-7: 29 species on 5%+ of 54 checklistsJan 8-14: 25 species on 5%+ of 54 checklistsJan 15-21: 22 species on 5%+ of 27 checklistsJan 22-31: 26 species on 5%+ of 50 checklistsFeb 1-7: 21 species on 5%+ of 31 checklistsFeb 8-14: 27 species on 5%+ of 36 checklistsFeb 15-21: 29 species on 5%+ of 37 checklistsFeb 22-28: 32 species on 5%+ of 38 checklistsMar 1-7: 31 species on 5%+ of 35 checklistsMar 8-14: 35 species on 5%+ of 34 checklistsMar 15-21: 32 species on 5%+ of 36 checklistsMar 22-31: 35 species on 5%+ of 48 checklistsApr 1-7: 39 species on 5%+ of 44 checklistsApr 8-14: 49 species on 5%+ of 49 checklistsApr 15-21: 47 species on 5%+ of 42 checklistsApr 22-30: 61 species on 5%+ of 55 checklistsMay 1-7: 58 species on 5%+ of 41 checklistsMay 8-14: 78 species on 5%+ of 53 checklistsMay 15-21: 78 species on 5%+ of 37 checklistsMay 22-31: 58 species on 5%+ of 32 checklistsJun 1-7: 39 species on 5%+ of 25 checklistsJun 8-14: 38 species on 5%+ of 25 checklistsJun 15-21: 44 species on 5%+ of 19 checklistsJun 22-30: 41 species on 5%+ of 30 checklistsJul 1-7: 39 species on 5%+ of 22 checklistsJul 8-14: 40 species on 5%+ of 24 checklistsJul 15-21: 43 species on 5%+ of 22 checklistsJul 22-31: 44 species on 5%+ of 28 checklistsAug 1-7: 49 species on 5%+ of 20 checklistsAug 8-14: 44 species on 5%+ of 26 checklistsAug 15-21: 48 species on 5%+ of 20 checklistsAug 22-31: 52 species on 5%+ of 31 checklistsSep 1-7: 61 species on 5%+ of 20 checklistsSep 8-14: 61 species on 5%+ of 18 checklistsSep 15-21: 48 species on 5%+ of 24 checklistsSep 22-30: 57 species on 5%+ of 27 checklistsOct 1-7: 41 species on 5%+ of 21 checklistsOct 8-14: 55 species on 5%+ of 15 checklistsOct 15-21: 48 species on 5%+ of 28 checklistsOct 22-31: 39 species on 5%+ of 30 checklistsNov 1-7: 38 species on 5%+ of 32 checklistsNov 8-14: 30 species on 5%+ of 27 checklistsNov 15-21: 30 species on 5%+ of 27 checklistsNov 22-30: 24 species on 5%+ of 45 checklistsDec 1-7: 27 species on 5%+ of 41 checklistsDec 8-14: 26 species on 5%+ of 36 checklistsDec 15-21: 26 species on 5%+ of 43 checklistsDec 22-31: 27 species on 5%+ of 71 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 Goose95%
  2. 2Mallard95%
  3. 3Mourning Dove84%
  4. 4House Sparrow75%
  5. 5American Robin71%
  6. 6Dark-eyed Junco71%
  7. 7European Starling70%
  8. 8Great Blue Heron49%
  9. 9Ring-billed Gull47%
  10. 10American Goldfinch45%
  11. 11Northern Cardinal42%
  12. 12American Crow37%
  13. 13Downy Woodpecker34%
  14. 14Red-tailed Hawk33%
  15. 15Black-capped Chickadee29%

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. Mallard89%
  2. Mourning Dove86%
  3. Canada Goose86%
  4. House Sparrow69%
  5. Dark-eyed Junco64%

Spring 62 species

  1. Mallard97%
  2. Red-winged Blackbird92%
  3. Canada Goose91%
  4. American Robin91%
  5. Killdeer88%

Summer 48 species

  1. Killdeer97%
  2. Mallard97%
  3. Great Egret97%
  4. Mourning Dove95%
  5. American Robin93%

Fall 49 species

  1. Mallard97%
  2. Canada Goose92%
  3. Mourning Dove87%
  4. American Robin82%
  5. House Sparrow80%

Specialties

Birds reported far more often here than across Illinois.

  • Purple Martin28% of checklists here vs 3.4% statewide: 8.4×
  • Great Egret39% of checklists here vs 8.5% statewide: 4.6×
  • Killdeer56% of checklists here vs 17% statewide: 3.4×

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.