Birding spot · Cumberland County, Pennsylvania
Birding at Opossum Lake: What You'll See Each Week In November, the birds most often reported at Opossum Lake are American Crow (73%), Dark-eyed Junco (72%), and Song Sparrow (70%). It is busiest in spring, when 84 species turn up on at least 1 in 20 checklists, and species counts peak in mid May (91 species). 170 species have been reported here across 1,493 complete checklists from 193 birders.
Species by week 0 20 40 60 80 100 Jan 1-7: 50 species on 5%+ of 26 checklists Jan 8-14: 40 species on 5%+ of 34 checklists Jan 15-21: 50 species on 5%+ of 17 checklists Jan 22-31: 40 species on 5%+ of 28 checklists Feb 1-7: 45 species on 5%+ of 19 checklists Feb 8-14: 53 species on 5%+ of 16 checklists Feb 15-21: 50 species on 5%+ of 14 checklists Feb 22-28: 46 species on 5%+ of 30 checklists Mar 1-7: 56 species on 5%+ of 68 checklists Mar 8-14: 51 species on 5%+ of 61 checklists Mar 15-21: 57 species on 5%+ of 51 checklists Mar 22-31: 67 species on 5%+ of 102 checklists Apr 1-7: 69 species on 5%+ of 68 checklists Apr 8-14: 76 species on 5%+ of 75 checklists Apr 15-21: 72 species on 5%+ of 61 checklists Apr 22-30: 87 species on 5%+ of 60 checklists May 1-7: 80 species on 5%+ of 42 checklists May 8-14: 79 species on 5%+ of 36 checklists May 15-21: 91 species on 5%+ of 20 checklists May 22-31: 69 species on 5%+ of 32 checklists Jun 1-7: low data (7 checklists) Jun 8-14: low data (5 checklists) Jun 15-21: low data (6 checklists) Jun 22-30: 59 species on 5%+ of 10 checklists Jul 1-7: low data (8 checklists) Jul 8-14: low data (9 checklists) Jul 15-21: low data (4 checklists) Jul 22-31: 66 species on 5%+ of 12 checklists Aug 1-7: 64 species on 5%+ of 15 checklists Aug 8-14: 54 species on 5%+ of 14 checklists Aug 15-21: 68 species on 5%+ of 17 checklists Aug 22-31: 61 species on 5%+ of 26 checklists Sep 1-7: 71 species on 5%+ of 28 checklists Sep 8-14: 61 species on 5%+ of 21 checklists Sep 15-21: 83 species on 5%+ of 16 checklists Sep 22-30: 70 species on 5%+ of 21 checklists Oct 1-7: 87 species on 5%+ of 19 checklists Oct 8-14: 70 species on 5%+ of 34 checklists Oct 15-21: 59 species on 5%+ of 24 checklists Oct 22-31: 65 species on 5%+ of 58 checklists Nov 1-7: 56 species on 5%+ of 50 checklists Nov 8-14: 54 species on 5%+ of 65 checklists Nov 15-21: 58 species on 5%+ of 48 checklists Nov 22-30: 51 species on 5%+ of 38 checklists Dec 1-7: 42 species on 5%+ of 21 checklists Dec 8-14: 43 species on 5%+ of 22 checklists Dec 15-21: 43 species on 5%+ of 13 checklists Dec 22-31: 40 species on 5%+ of 22 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 American Crow 73% 2 Dark-eyed Junco 72% 3 Song Sparrow 70% 4 Pied-billed Grebe 69% 5 White-throated Sparrow 66% 6 Northern Cardinal 65% 7 Red-bellied Woodpecker 62% 8 Carolina Wren 57% 9 Great Blue Heron 55% 10 Downy Woodpecker 54% 11 Blue Jay 54% 12 Eastern Bluebird 53% 13 Carolina Chickadee 52% 14 White-breasted Nuthatch 52% 15 Turkey Vulture 50% 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 Pennsylvania.
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 Crow73%
Dark-eyed Junco72%
Song Sparrow70%
Pied-billed Grebe69%
White-throated Sparrow66%
Northern Cardinal65%
Red-bellied Woodpecker62%
Carolina Wren57%
Great Blue Heron55%
Downy Woodpecker54%
Blue Jay54%
Eastern Bluebird53%
Carolina Chickadee52%
White-breasted Nuthatch52%
Turkey Vulture50%