Birding spot · Lake County, Illinois
Birding at Rollins Savanna Forest Preserve (southeast): What You'll See Each Week In November, the birds most often reported at Rollins Savanna Forest Preserve (southeast) are Canada Goose (92%), Mallard (85%), and Sandhill Crane (71%). It is busiest in spring, when 97 species turn up on at least 1 in 20 checklists, and species counts peak in early May (114 species). 204 species have been reported here across 924 complete checklists from 290 birders.
Species by week 0 25 50 75 100 125 Jan 1-7: 52 species on 5%+ of 20 checklists Jan 8-14: 47 species on 5%+ of 15 checklists Jan 15-21: 39 species on 5%+ of 14 checklists Jan 22-31: 30 species on 5%+ of 10 checklists Feb 1-7: 33 species on 5%+ of 19 checklists Feb 8-14: low data (6 checklists) Feb 15-21: 54 species on 5%+ of 15 checklists Feb 22-28: 56 species on 5%+ of 11 checklists Mar 1-7: 55 species on 5%+ of 16 checklists Mar 8-14: 58 species on 5%+ of 14 checklists Mar 15-21: 65 species on 5%+ of 18 checklists Mar 22-31: 69 species on 5%+ of 40 checklists Apr 1-7: 69 species on 5%+ of 21 checklists Apr 8-14: 70 species on 5%+ of 23 checklists Apr 15-21: 79 species on 5%+ of 24 checklists Apr 22-30: 86 species on 5%+ of 28 checklists May 1-7: 114 species on 5%+ of 19 checklists May 8-14: 83 species on 5%+ of 22 checklists May 15-21: 85 species on 5%+ of 21 checklists May 22-31: 83 species on 5%+ of 53 checklists Jun 1-7: 66 species on 5%+ of 28 checklists Jun 8-14: 71 species on 5%+ of 25 checklists Jun 15-21: 72 species on 5%+ of 29 checklists Jun 22-30: 68 species on 5%+ of 23 checklists Jul 1-7: 80 species on 5%+ of 36 checklists Jul 8-14: 73 species on 5%+ of 16 checklists Jul 15-21: 76 species on 5%+ of 21 checklists Jul 22-31: 73 species on 5%+ of 21 checklists Aug 1-7: low data (6 checklists) Aug 8-14: 85 species on 5%+ of 26 checklists Aug 15-21: 92 species on 5%+ of 19 checklists Aug 22-31: 89 species on 5%+ of 17 checklists Sep 1-7: 80 species on 5%+ of 13 checklists Sep 8-14: low data (9 checklists) Sep 15-21: 93 species on 5%+ of 12 checklists Sep 22-30: 95 species on 5%+ of 44 checklists Oct 1-7: 98 species on 5%+ of 13 checklists Oct 8-14: 107 species on 5%+ of 19 checklists Oct 15-21: 76 species on 5%+ of 23 checklists Oct 22-31: 79 species on 5%+ of 18 checklists Nov 1-7: 71 species on 5%+ of 11 checklists Nov 8-14: 77 species on 5%+ of 13 checklists Nov 15-21: 69 species on 5%+ of 16 checklists Nov 22-30: 60 species on 5%+ of 19 checklists Dec 1-7: low data (9 checklists) Dec 8-14: low data (5 checklists) Dec 15-21: low data (5 checklists) Dec 22-31: 54 species on 5%+ of 19 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 92% 2 Mallard 85% 3 Sandhill Crane 71% 4 American Tree Sparrow 69% 5 Red-tailed Hawk 68% 6 European Starling 61% 7 Mourning Dove 58% 8 Hooded Merganser 56% 9 American Crow 53% 10 Dark-eyed Junco 49% 11 Ring-billed Gull 49% 12 American Robin 47% 13 Downy Woodpecker 46% 14 Red-bellied Woodpecker 46% 15 Black-capped Chickadee 44% 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.
Trumpeter Swan 37% of checklists here vs 1.0% statewide: 36.0× Bobolink 27% of checklists here vs 1.2% statewide: 21.8× Marsh Wren 21% of checklists here vs 1.7% statewide: 12.7× Gadwall 36% of checklists here vs 3.1% statewide: 11.6× American Wigeon 12% of checklists here vs 1.1% statewide: 10.8× Henslow's Sparrow 10% of checklists here vs 0.9% statewide: 10.8× Sora 11% of checklists here vs 1.2% statewide: 9.0× Willow Flycatcher 18% of checklists here vs 2.0% statewide: 8.9× 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 .