Birding spot · Cook County, Illinois
Birding at Northerly Island: What You'll See Each Week In November, the birds most often reported at Northerly Island are Canada Goose (87%), Ring-billed Gull (86%), and Mallard (78%). It is busiest in spring, when 70 species turn up on at least 1 in 20 checklists, and species counts peak in late May (90 species). 212 species have been reported here across 1,950 complete checklists from 722 birders.
Species by week 0 20 40 60 80 100 Jan 1-7: 27 species on 5%+ of 42 checklists Jan 8-14: 23 species on 5%+ of 44 checklists Jan 15-21: 27 species on 5%+ of 54 checklists Jan 22-31: 23 species on 5%+ of 54 checklists Feb 1-7: 23 species on 5%+ of 22 checklists Feb 8-14: 23 species on 5%+ of 31 checklists Feb 15-21: 26 species on 5%+ of 28 checklists Feb 22-28: 27 species on 5%+ of 44 checklists Mar 1-7: 34 species on 5%+ of 31 checklists Mar 8-14: 48 species on 5%+ of 34 checklists Mar 15-21: 44 species on 5%+ of 32 checklists Mar 22-31: 43 species on 5%+ of 60 checklists Apr 1-7: 59 species on 5%+ of 38 checklists Apr 8-14: 65 species on 5%+ of 46 checklists Apr 15-21: 55 species on 5%+ of 64 checklists Apr 22-30: 69 species on 5%+ of 155 checklists May 1-7: 74 species on 5%+ of 61 checklists May 8-14: 80 species on 5%+ of 49 checklists May 15-21: 83 species on 5%+ of 30 checklists May 22-31: 90 species on 5%+ of 38 checklists Jun 1-7: 50 species on 5%+ of 17 checklists Jun 8-14: 47 species on 5%+ of 30 checklists Jun 15-21: 43 species on 5%+ of 16 checklists Jun 22-30: 43 species on 5%+ of 60 checklists Jul 1-7: 44 species on 5%+ of 17 checklists Jul 8-14: 52 species on 5%+ of 20 checklists Jul 15-21: 44 species on 5%+ of 18 checklists Jul 22-31: 53 species on 5%+ of 18 checklists Aug 1-7: 56 species on 5%+ of 13 checklists Aug 8-14: 47 species on 5%+ of 32 checklists Aug 15-21: 48 species on 5%+ of 26 checklists Aug 22-31: 85 species on 5%+ of 34 checklists Sep 1-7: 66 species on 5%+ of 18 checklists Sep 8-14: 53 species on 5%+ of 21 checklists Sep 15-21: 56 species on 5%+ of 33 checklists Sep 22-30: 62 species on 5%+ of 44 checklists Oct 1-7: 79 species on 5%+ of 30 checklists Oct 8-14: 60 species on 5%+ of 49 checklists Oct 15-21: 63 species on 5%+ of 56 checklists Oct 22-31: 62 species on 5%+ of 56 checklists Nov 1-7: 48 species on 5%+ of 56 checklists Nov 8-14: 40 species on 5%+ of 50 checklists Nov 15-21: 40 species on 5%+ of 52 checklists Nov 22-30: 38 species on 5%+ of 71 checklists Dec 1-7: 33 species on 5%+ of 32 checklists Dec 8-14: 29 species on 5%+ of 38 checklists Dec 15-21: 33 species on 5%+ of 28 checklists Dec 22-31: 30 species on 5%+ of 58 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 Canada Goose 87% 2 Ring-billed Gull 86% 3 Mallard 78% 4 American Tree Sparrow 69% 5 American Crow 65% 6 American Kestrel 54% 7 American Herring Gull 53% 8 American Coot 45% 9 Red-breasted Merganser 42% 10 Dark-eyed Junco 40% 11 American Goldfinch 38% 12 Double-crested Cormorant 30% 13 European Starling 27% 14 White-throated Sparrow 27% 15 Pied-billed Grebe 24% 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 .
Canada Goose87%
Ring-billed Gull86%
Mallard78%
American Tree Sparrow69%
American Crow65%
American Kestrel54%
American Herring Gull53%
American Coot45%
Red-breasted Merganser42%
Dark-eyed Junco40%
American Goldfinch38%
Double-crested Cormorant30%
European Starling27%
White-throated Sparrow27%
Pied-billed Grebe24%