Birding spot · Cook County, Illinois
Birding at South Greenbelt Preserve: What You'll See Each Week In November, the birds most often reported at South Greenbelt Preserve are Northern Harrier (82%), American Tree Sparrow (59%), and Canada Goose (51%). It is busiest in spring, when 51 species turn up on at least 1 in 20 checklists, and species counts peak in the second week of May (64 species). 134 species have been reported here across 1,639 complete checklists from 407 birders.
Species by week 0 20 40 60 80 Jan 1-7: 10 species on 5%+ of 95 checklists Jan 8-14: 16 species on 5%+ of 50 checklists Jan 15-21: 16 species on 5%+ of 66 checklists Jan 22-31: 15 species on 5%+ of 51 checklists Feb 1-7: 10 species on 5%+ of 63 checklists Feb 8-14: 12 species on 5%+ of 41 checklists Feb 15-21: 14 species on 5%+ of 50 checklists Feb 22-28: 23 species on 5%+ of 60 checklists Mar 1-7: 23 species on 5%+ of 42 checklists Mar 8-14: 26 species on 5%+ of 33 checklists Mar 15-21: 29 species on 5%+ of 30 checklists Mar 22-31: 35 species on 5%+ of 43 checklists Apr 1-7: 43 species on 5%+ of 40 checklists Apr 8-14: 41 species on 5%+ of 103 checklists Apr 15-21: 40 species on 5%+ of 107 checklists Apr 22-30: 48 species on 5%+ of 80 checklists May 1-7: 61 species on 5%+ of 47 checklists May 8-14: 64 species on 5%+ of 40 checklists May 15-21: 38 species on 5%+ of 49 checklists May 22-31: 52 species on 5%+ of 49 checklists Jun 1-7: 45 species on 5%+ of 14 checklists Jun 8-14: 39 species on 5%+ of 16 checklists Jun 15-21: 54 species on 5%+ of 17 checklists Jun 22-30: 26 species on 5%+ of 24 checklists Jul 1-7: 43 species on 5%+ of 27 checklists Jul 8-14: 39 species on 5%+ of 15 checklists Jul 15-21: 44 species on 5%+ of 19 checklists Jul 22-31: 31 species on 5%+ of 12 checklists Aug 1-7: low data (8 checklists) Aug 8-14: low data (6 checklists) Aug 15-21: low data (5 checklists) Aug 22-31: low data (4 checklists) Sep 1-7: low data (9 checklists) Sep 8-14: 36 species on 5%+ of 14 checklists Sep 15-21: low data (6 checklists) Sep 22-30: low data (9 checklists) Oct 1-7: 39 species on 5%+ of 16 checklists Oct 8-14: low data (7 checklists) Oct 15-21: low data (8 checklists) Oct 22-31: 30 species on 5%+ of 26 checklists Nov 1-7: 26 species on 5%+ of 22 checklists Nov 8-14: 27 species on 5%+ of 35 checklists Nov 15-21: 22 species on 5%+ of 19 checklists Nov 22-30: 18 species on 5%+ of 34 checklists Dec 1-7: 16 species on 5%+ of 28 checklists Dec 8-14: 10 species on 5%+ of 24 checklists Dec 15-21: 11 species on 5%+ of 24 checklists Dec 22-31: 14 species on 5%+ of 52 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 Northern Harrier 82% 2 American Tree Sparrow 59% 3 Canada Goose 51% 4 Short-eared Owl 39% 5 American Goldfinch 30% 6 Mallard 27% 7 Red-tailed Hawk 17% 8 Rough-legged Hawk 17% 9 Red-winged Blackbird 15% 10 Snow Bunting 14% 11 American Kestrel 13% 12 Bald Eagle 12% 13 European Starling 11% 14 Sandhill Crane 11% 15 Savannah Sparrow 11% 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 .
American Tree Sparrow59%
Canada Goose51%
Short-eared Owl39%
American Goldfinch30%
Mallard27%
Red-tailed Hawk17%
Rough-legged Hawk17%
Red-winged Blackbird15%
Snow Bunting14%
American Kestrel13%
Bald Eagle12%
European Starling11%
Sandhill Crane11%
Savannah Sparrow11%