Birding spot · Cook County, Illinois
Birding at Park No. 566: What You'll See Each Week In November, the birds most often reported at Park No. 566 are Ring-billed Gull (81%), American Tree Sparrow (79%), and Red-breasted Merganser (75%). It is busiest in spring, when 91 species turn up on at least 1 in 20 checklists, and species counts peak in mid May (107 species). 244 species have been reported here across 3,444 complete checklists from 606 birders.
Species by week 0 25 50 75 100 125 Jan 1-7: 39 species on 5%+ of 60 checklists Jan 8-14: 34 species on 5%+ of 65 checklists Jan 15-21: 30 species on 5%+ of 62 checklists Jan 22-31: 32 species on 5%+ of 71 checklists Feb 1-7: 35 species on 5%+ of 61 checklists Feb 8-14: 32 species on 5%+ of 46 checklists Feb 15-21: 34 species on 5%+ of 47 checklists Feb 22-28: 35 species on 5%+ of 67 checklists Mar 1-7: 39 species on 5%+ of 79 checklists Mar 8-14: 46 species on 5%+ of 78 checklists Mar 15-21: 44 species on 5%+ of 68 checklists Mar 22-31: 57 species on 5%+ of 82 checklists Apr 1-7: 61 species on 5%+ of 47 checklists Apr 8-14: 71 species on 5%+ of 70 checklists Apr 15-21: 75 species on 5%+ of 79 checklists Apr 22-30: 91 species on 5%+ of 78 checklists May 1-7: 98 species on 5%+ of 50 checklists May 8-14: 106 species on 5%+ of 57 checklists May 15-21: 107 species on 5%+ of 40 checklists May 22-31: 79 species on 5%+ of 81 checklists Jun 1-7: 58 species on 5%+ of 53 checklists Jun 8-14: 53 species on 5%+ of 46 checklists Jun 15-21: 70 species on 5%+ of 20 checklists Jun 22-30: 55 species on 5%+ of 60 checklists Jul 1-7: 56 species on 5%+ of 26 checklists Jul 8-14: 55 species on 5%+ of 82 checklists Jul 15-21: 64 species on 5%+ of 37 checklists Jul 22-31: 54 species on 5%+ of 62 checklists Aug 1-7: 63 species on 5%+ of 39 checklists Aug 8-14: 60 species on 5%+ of 88 checklists Aug 15-21: 58 species on 5%+ of 46 checklists Aug 22-31: 69 species on 5%+ of 67 checklists Sep 1-7: 72 species on 5%+ of 63 checklists Sep 8-14: 84 species on 5%+ of 48 checklists Sep 15-21: 84 species on 5%+ of 56 checklists Sep 22-30: 90 species on 5%+ of 96 checklists Oct 1-7: 76 species on 5%+ of 102 checklists Oct 8-14: 75 species on 5%+ of 108 checklists Oct 15-21: 76 species on 5%+ of 123 checklists Oct 22-31: 73 species on 5%+ of 180 checklists Nov 1-7: 69 species on 5%+ of 137 checklists Nov 8-14: 53 species on 5%+ of 132 checklists Nov 15-21: 51 species on 5%+ of 112 checklists Nov 22-30: 49 species on 5%+ of 98 checklists Dec 1-7: 40 species on 5%+ of 85 checklists Dec 8-14: 32 species on 5%+ of 86 checklists Dec 15-21: 36 species on 5%+ of 35 checklists Dec 22-31: 34 species on 5%+ of 69 checklists Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 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 Ring-billed Gull 81% 2 American Tree Sparrow 79% 3 Red-breasted Merganser 75% 4 American Goldfinch 71% 5 Canada Goose 69% 6 American Crow 63% 7 American Herring Gull 59% 8 Dark-eyed Junco 51% 9 Song Sparrow 49% 10 Bufflehead 47% 11 Horned Grebe 47% 12 Double-crested Cormorant 46% 13 American Kestrel 40% 14 Snow Bunting 39% 15 Redhead 31% 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 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 .
Ring-billed Gull81%
American Tree Sparrow79%
Red-breasted Merganser75%
American Goldfinch71%
Canada Goose69%
American Crow63%
American Herring Gull59%
Dark-eyed Junco51%
Song Sparrow49%
Bufflehead47%
Horned Grebe47%
Double-crested Cormorant46%
American Kestrel40%
Snow Bunting39%
Redhead31%