Birding spot · Winnebago County, Illinois
Birding at Pierce Lake: What You'll See Each Week In November, the birds most often reported at Pierce Lake are Canada Goose (89%), Mallard (84%), and Ring-billed Gull (81%). It is busiest in spring, when 123 species turn up on at least 1 in 20 checklists, and species counts peak in mid May (117 species). 208 species have been reported here across 1,136 complete checklists from 337 birders.
Species by week 0 25 50 75 100 125 Jan 1-7: 47 species on 5%+ of 40 checklists Jan 8-14: 42 species on 5%+ of 16 checklists Jan 15-21: 34 species on 5%+ of 16 checklists Jan 22-31: 42 species on 5%+ of 15 checklists Feb 1-7: low data (5 checklists) Feb 8-14: 40 species on 5%+ of 14 checklists Feb 15-21: 37 species on 5%+ of 13 checklists Feb 22-28: 51 species on 5%+ of 18 checklists Mar 1-7: 49 species on 5%+ of 22 checklists Mar 8-14: 55 species on 5%+ of 26 checklists Mar 15-21: 63 species on 5%+ of 30 checklists Mar 22-31: 68 species on 5%+ of 51 checklists Apr 1-7: 75 species on 5%+ of 34 checklists Apr 8-14: 84 species on 5%+ of 40 checklists Apr 15-21: 90 species on 5%+ of 36 checklists Apr 22-30: 84 species on 5%+ of 61 checklists May 1-7: 111 species on 5%+ of 50 checklists May 8-14: 111 species on 5%+ of 78 checklists May 15-21: 117 species on 5%+ of 72 checklists May 22-31: 95 species on 5%+ of 50 checklists Jun 1-7: 83 species on 5%+ of 31 checklists Jun 8-14: 77 species on 5%+ of 15 checklists Jun 15-21: 78 species on 5%+ of 11 checklists Jun 22-30: 60 species on 5%+ of 17 checklists Jul 1-7: 76 species on 5%+ of 15 checklists Jul 8-14: 73 species on 5%+ of 11 checklists Jul 15-21: 72 species on 5%+ of 12 checklists Jul 22-31: 51 species on 5%+ of 11 checklists Aug 1-7: 55 species on 5%+ of 10 checklists Aug 8-14: low data (5 checklists) Aug 15-21: 51 species on 5%+ of 13 checklists Aug 22-31: 93 species on 5%+ of 19 checklists Sep 1-7: 92 species on 5%+ of 16 checklists Sep 8-14: 80 species on 5%+ of 17 checklists Sep 15-21: 76 species on 5%+ of 16 checklists Sep 22-30: 88 species on 5%+ of 33 checklists Oct 1-7: 88 species on 5%+ of 20 checklists Oct 8-14: 81 species on 5%+ of 15 checklists Oct 15-21: 51 species on 5%+ of 12 checklists Oct 22-31: 70 species on 5%+ of 17 checklists Nov 1-7: 47 species on 5%+ of 14 checklists Nov 8-14: low data (3 checklists) Nov 15-21: 68 species on 5%+ of 18 checklists Nov 22-30: 41 species on 5%+ of 22 checklists Dec 1-7: 51 species on 5%+ of 37 checklists Dec 8-14: low data (4 checklists) Dec 15-21: low data (7 checklists) Dec 22-31: 47 species on 5%+ of 28 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 89% 2 Mallard 84% 3 Ring-billed Gull 81% 4 Black-capped Chickadee 72% 5 American Crow 63% 6 Red-bellied Woodpecker 61% 7 Blue Jay 60% 8 Dark-eyed Junco 60% 9 White-breasted Nuthatch 54% 10 Northern Cardinal 51% 11 American Robin 46% 12 Downy Woodpecker 39% 13 Hairy Woodpecker 33% 14 American Goldfinch 32% 15 Red-tailed Hawk 28% 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 Goose89%
Mallard84%
Ring-billed Gull81%
Black-capped Chickadee72%
American Crow63%
Red-bellied Woodpecker61%
Blue Jay60%
Dark-eyed Junco60%
White-breasted Nuthatch54%
Northern Cardinal51%
American Robin46%
Downy Woodpecker39%
Hairy Woodpecker33%
American Goldfinch32%
Red-tailed Hawk28%