Birding spot · Mahoning County, Ohio
Birding at Calvins Marsh Reservoir: What You'll See Each Week In November, the birds most often reported at Calvins Marsh Reservoir are Black-capped Chickadee (94%), Blue Jay (92%), and Northern Cardinal (90%). It is busiest in spring, when 112 species turn up on at least 1 in 20 checklists, and species counts peak in early May (127 species). 235 species have been reported here across 2,898 complete checklists from 202 birders.
Species by week 0 50 100 150 Jan 1-7: 58 species on 5%+ of 42 checklists Jan 8-14: 49 species on 5%+ of 28 checklists Jan 15-21: 54 species on 5%+ of 20 checklists Jan 22-31: 50 species on 5%+ of 29 checklists Feb 1-7: 62 species on 5%+ of 38 checklists Feb 8-14: 52 species on 5%+ of 25 checklists Feb 15-21: 57 species on 5%+ of 33 checklists Feb 22-28: 65 species on 5%+ of 55 checklists Mar 1-7: 66 species on 5%+ of 56 checklists Mar 8-14: 73 species on 5%+ of 57 checklists Mar 15-21: 70 species on 5%+ of 51 checklists Mar 22-31: 81 species on 5%+ of 70 checklists Apr 1-7: 91 species on 5%+ of 55 checklists Apr 8-14: 89 species on 5%+ of 56 checklists Apr 15-21: 94 species on 5%+ of 63 checklists Apr 22-30: 103 species on 5%+ of 108 checklists May 1-7: 127 species on 5%+ of 86 checklists May 8-14: 123 species on 5%+ of 67 checklists May 15-21: 106 species on 5%+ of 76 checklists May 22-31: 94 species on 5%+ of 83 checklists Jun 1-7: 89 species on 5%+ of 39 checklists Jun 8-14: 75 species on 5%+ of 30 checklists Jun 15-21: 74 species on 5%+ of 51 checklists Jun 22-30: 76 species on 5%+ of 54 checklists Jul 1-7: 81 species on 5%+ of 41 checklists Jul 8-14: 80 species on 5%+ of 57 checklists Jul 15-21: 82 species on 5%+ of 61 checklists Jul 22-31: 95 species on 5%+ of 87 checklists Aug 1-7: 85 species on 5%+ of 80 checklists Aug 8-14: 88 species on 5%+ of 95 checklists Aug 15-21: 87 species on 5%+ of 116 checklists Aug 22-31: 84 species on 5%+ of 106 checklists Sep 1-7: 103 species on 5%+ of 115 checklists Sep 8-14: 102 species on 5%+ of 85 checklists Sep 15-21: 97 species on 5%+ of 90 checklists Sep 22-30: 90 species on 5%+ of 106 checklists Oct 1-7: 97 species on 5%+ of 91 checklists Oct 8-14: 94 species on 5%+ of 75 checklists Oct 15-21: 84 species on 5%+ of 77 checklists Oct 22-31: 87 species on 5%+ of 91 checklists Nov 1-7: 83 species on 5%+ of 59 checklists Nov 8-14: 77 species on 5%+ of 38 checklists Nov 15-21: 62 species on 5%+ of 28 checklists Nov 22-30: 57 species on 5%+ of 30 checklists Dec 1-7: 64 species on 5%+ of 20 checklists Dec 8-14: 55 species on 5%+ of 25 checklists Dec 15-21: 51 species on 5%+ of 22 checklists Dec 22-31: 56 species on 5%+ of 31 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 Black-capped Chickadee 94% 2 Blue Jay 92% 3 Northern Cardinal 90% 4 Canada Goose 89% 5 Red-bellied Woodpecker 87% 6 American Goldfinch 86% 7 White-breasted Nuthatch 86% 8 Downy Woodpecker 84% 9 Song Sparrow 81% 10 Mallard 80% 11 Mourning Dove 73% 12 Bald Eagle 72% 13 American Crow 71% 14 Tufted Titmouse 70% 15 Carolina Wren 69% 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 Ohio.
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 .
Black-capped Chickadee94%
Blue Jay92%
Northern Cardinal90%
Canada Goose89%
Red-bellied Woodpecker87%
American Goldfinch86%
White-breasted Nuthatch86%
Downy Woodpecker84%
Song Sparrow81%
Mallard80%
Mourning Dove73%
Bald Eagle72%
American Crow71%
Tufted Titmouse70%
Carolina Wren69%