WhenToBird

Birding spot · Cook County, Illinois

Birding at Centennial 1 Park: What You'll See Each Week

In November, the birds most often reported at Centennial 1 Park are Ring-billed Gull (90%), Canada Goose (58%), and Dark-eyed Junco (44%). It is busiest in spring, when 58 species turn up on at least 1 in 20 checklists, and species counts peak in mid May (69 species). 162 species have been reported here across 1,765 complete checklists from 262 birders.

Species by week

020406080Jan 1-7: low data (4 checklists)Jan 8-14: low data (3 checklists)Jan 15-21: low data (4 checklists)Jan 22-31: low data (2 checklists)Feb 1-7: low data (4 checklists)Feb 8-14: low data (1 checklists)Feb 15-21: low data (2 checklists)Feb 22-28: low data (2 checklists)Mar 1-7: 27 species on 5%+ of 12 checklistsMar 8-14: 27 species on 5%+ of 11 checklistsMar 15-21: 22 species on 5%+ of 12 checklistsMar 22-31: 26 species on 5%+ of 66 checklistsApr 1-7: 32 species on 5%+ of 71 checklistsApr 8-14: 41 species on 5%+ of 68 checklistsApr 15-21: 44 species on 5%+ of 77 checklistsApr 22-30: 51 species on 5%+ of 213 checklistsMay 1-7: 55 species on 5%+ of 129 checklistsMay 8-14: 55 species on 5%+ of 113 checklistsMay 15-21: 69 species on 5%+ of 117 checklistsMay 22-31: 57 species on 5%+ of 114 checklistsJun 1-7: 37 species on 5%+ of 42 checklistsJun 8-14: low data (9 checklists)Jun 15-21: low data (7 checklists)Jun 22-30: low data (7 checklists)Jul 1-7: low data (4 checklists)Jul 8-14: low data (4 checklists)Jul 15-21: low data (8 checklists)Jul 22-31: 37 species on 5%+ of 14 checklistsAug 1-7: 32 species on 5%+ of 11 checklistsAug 8-14: 34 species on 5%+ of 10 checklistsAug 15-21: 34 species on 5%+ of 10 checklistsAug 22-31: 31 species on 5%+ of 60 checklistsSep 1-7: 29 species on 5%+ of 61 checklistsSep 8-14: 35 species on 5%+ of 58 checklistsSep 15-21: 32 species on 5%+ of 62 checklistsSep 22-30: 34 species on 5%+ of 91 checklistsOct 1-7: 37 species on 5%+ of 61 checklistsOct 8-14: 40 species on 5%+ of 59 checklistsOct 15-21: 40 species on 5%+ of 51 checklistsOct 22-31: 34 species on 5%+ of 37 checklistsNov 1-7: 26 species on 5%+ of 23 checklistsNov 8-14: 29 species on 5%+ of 13 checklistsNov 15-21: low data (6 checklists)Nov 22-30: low data (6 checklists)Dec 1-7: low data (8 checklists)Dec 8-14: low data (6 checklists)Dec 15-21: low data (6 checklists)Dec 22-31: low data (6 checklists)JanFebMarAprMayJunJulAugSepOctNovDec
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. 1Ring-billed Gull90%
  2. 2Canada Goose58%
  3. 3Dark-eyed Junco44%
  4. 4American Robin33%
  5. 5American Goldfinch31%
  6. 6House Sparrow31%
  7. 7Mallard27%
  8. 8American Herring Gull25%
  9. 9American Crow23%
  10. 10Song Sparrow21%
  11. 11Red-breasted Merganser19%
  12. 12American Tree Sparrow17%
  13. 13European Starling17%
  14. 14Golden-crowned Kinglet13%
  15. 15Black-capped Chickadee10%

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 19 species

  1. Ring-billed Gull63%
  2. Canada Goose40%
  3. American Herring Gull35%
  4. Mallard25%
  5. Red-breasted Merganser25%

Spring 58 species

  1. American Robin82%
  2. Ring-billed Gull78%
  3. Red-winged Blackbird76%
  4. Mallard55%
  5. Song Sparrow53%

Summer 37 species

  1. Ring-billed Gull88%
  2. American Robin65%
  3. House Sparrow61%
  4. American Goldfinch56%
  5. Barn Swallow54%

Fall 38 species

  1. Ring-billed Gull86%
  2. Canada Goose58%
  3. Palm Warbler42%
  4. House Sparrow34%
  5. American Goldfinch32%

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.