Birding spot · Cook County, Illinois
Birding at Chicago Portage Woods: What You'll See Each Week In November, the birds most often reported at Chicago Portage Woods are Northern Cardinal (93%), Downy Woodpecker (90%), and American Goldfinch (87%). It is busiest in spring, when 83 species turn up on at least 1 in 20 checklists, and species counts peak in the second week of May (93 species). 150 species have been reported here across 1,077 complete checklists from 88 birders.
Species by week 0 20 40 60 80 100 Jan 1-7: 32 species on 5%+ of 12 checklists Jan 8-14: low data (9 checklists) Jan 15-21: low data (7 checklists) Jan 22-31: 26 species on 5%+ of 21 checklists Feb 1-7: 23 species on 5%+ of 11 checklists Feb 8-14: 27 species on 5%+ of 12 checklists Feb 15-21: low data (7 checklists) Feb 22-28: 30 species on 5%+ of 14 checklists Mar 1-7: 33 species on 5%+ of 21 checklists Mar 8-14: 40 species on 5%+ of 17 checklists Mar 15-21: 35 species on 5%+ of 22 checklists Mar 22-31: 46 species on 5%+ of 20 checklists Apr 1-7: 52 species on 5%+ of 15 checklists Apr 8-14: 49 species on 5%+ of 26 checklists Apr 15-21: 55 species on 5%+ of 24 checklists Apr 22-30: 81 species on 5%+ of 32 checklists May 1-7: 85 species on 5%+ of 35 checklists May 8-14: 93 species on 5%+ of 47 checklists May 15-21: 81 species on 5%+ of 32 checklists May 22-31: 69 species on 5%+ of 53 checklists Jun 1-7: 50 species on 5%+ of 26 checklists Jun 8-14: 67 species on 5%+ of 18 checklists Jun 15-21: 44 species on 5%+ of 22 checklists Jun 22-30: 48 species on 5%+ of 22 checklists Jul 1-7: 64 species on 5%+ of 17 checklists Jul 8-14: 55 species on 5%+ of 17 checklists Jul 15-21: 46 species on 5%+ of 15 checklists Jul 22-31: 45 species on 5%+ of 23 checklists Aug 1-7: 60 species on 5%+ of 18 checklists Aug 8-14: 55 species on 5%+ of 17 checklists Aug 15-21: 49 species on 5%+ of 24 checklists Aug 22-31: 63 species on 5%+ of 37 checklists Sep 1-7: 70 species on 5%+ of 37 checklists Sep 8-14: 70 species on 5%+ of 34 checklists Sep 15-21: 59 species on 5%+ of 29 checklists Sep 22-30: 75 species on 5%+ of 39 checklists Oct 1-7: 60 species on 5%+ of 24 checklists Oct 8-14: 55 species on 5%+ of 24 checklists Oct 15-21: 54 species on 5%+ of 25 checklists Oct 22-31: 45 species on 5%+ of 31 checklists Nov 1-7: 50 species on 5%+ of 17 checklists Nov 8-14: 41 species on 5%+ of 17 checklists Nov 15-21: 41 species on 5%+ of 15 checklists Nov 22-30: 37 species on 5%+ of 20 checklists Dec 1-7: 30 species on 5%+ of 19 checklists Dec 8-14: 35 species on 5%+ of 15 checklists Dec 15-21: 30 species on 5%+ of 13 checklists Dec 22-31: 25 species on 5%+ of 25 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 Cardinal 93% 2 Downy Woodpecker 90% 3 American Goldfinch 87% 4 Dark-eyed Junco 83% 5 White-throated Sparrow 81% 6 American Robin 78% 7 Black-capped Chickadee 78% 8 Red-bellied Woodpecker 70% 9 Mallard 68% 10 House Finch 59% 11 Fox Sparrow 58% 12 White-breasted Nuthatch 54% 13 American Tree Sparrow 49% 14 Canada Goose 42% 15 Red-tailed Hawk 41% 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 .
Northern Cardinal93%
Downy Woodpecker90%
American Goldfinch87%
Dark-eyed Junco83%
White-throated Sparrow81%
American Robin78%
Black-capped Chickadee78%
Red-bellied Woodpecker70%
Mallard68%
House Finch59%
Fox Sparrow58%
White-breasted Nuthatch54%
American Tree Sparrow49%
Canada Goose42%
Red-tailed Hawk41%