Birding spot · Philadelphia County, Pennsylvania
Birding at Upper Roxborough Reservoir: What You'll See Each Week In November, the birds most often reported at Upper Roxborough Reservoir are American Robin (98%), American Crow (87%), and Dark-eyed Junco (87%). It is busiest in spring, when 63 species turn up on at least 1 in 20 checklists, and species counts peak in early May (76 species). 123 species have been reported here across 1,029 complete checklists from 151 birders.
Species by week 0 20 40 60 80 Jan 1-7: 32 species on 5%+ of 21 checklists Jan 8-14: 34 species on 5%+ of 16 checklists Jan 15-21: low data (8 checklists) Jan 22-31: 34 species on 5%+ of 24 checklists Feb 1-7: 28 species on 5%+ of 10 checklists Feb 8-14: low data (9 checklists) Feb 15-21: 37 species on 5%+ of 19 checklists Feb 22-28: 40 species on 5%+ of 19 checklists Mar 1-7: 35 species on 5%+ of 14 checklists Mar 8-14: 42 species on 5%+ of 16 checklists Mar 15-21: 48 species on 5%+ of 19 checklists Mar 22-31: 39 species on 5%+ of 26 checklists Apr 1-7: 42 species on 5%+ of 21 checklists Apr 8-14: 45 species on 5%+ of 41 checklists Apr 15-21: 44 species on 5%+ of 28 checklists Apr 22-30: 59 species on 5%+ of 41 checklists May 1-7: 76 species on 5%+ of 48 checklists May 8-14: 71 species on 5%+ of 69 checklists May 15-21: 63 species on 5%+ of 50 checklists May 22-31: 55 species on 5%+ of 45 checklists Jun 1-7: 58 species on 5%+ of 27 checklists Jun 8-14: 58 species on 5%+ of 13 checklists Jun 15-21: 46 species on 5%+ of 10 checklists Jun 22-30: 63 species on 5%+ of 20 checklists Jul 1-7: 56 species on 5%+ of 15 checklists Jul 8-14: 43 species on 5%+ of 10 checklists Jul 15-21: low data (4 checklists) Jul 22-31: 54 species on 5%+ of 18 checklists Aug 1-7: 49 species on 5%+ of 20 checklists Aug 8-14: 42 species on 5%+ of 31 checklists Aug 15-21: 54 species on 5%+ of 20 checklists Aug 22-31: 36 species on 5%+ of 23 checklists Sep 1-7: 49 species on 5%+ of 25 checklists Sep 8-14: 50 species on 5%+ of 24 checklists Sep 15-21: 52 species on 5%+ of 26 checklists Sep 22-30: 60 species on 5%+ of 26 checklists Oct 1-7: 70 species on 5%+ of 17 checklists Oct 8-14: 55 species on 5%+ of 18 checklists Oct 15-21: 50 species on 5%+ of 12 checklists Oct 22-31: 47 species on 5%+ of 17 checklists Nov 1-7: 47 species on 5%+ of 15 checklists Nov 8-14: 45 species on 5%+ of 17 checklists Nov 15-21: low data (9 checklists) Nov 22-30: 39 species on 5%+ of 12 checklists Dec 1-7: 37 species on 5%+ of 12 checklists Dec 8-14: low data (8 checklists) Dec 15-21: low data (8 checklists) Dec 22-31: 42 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 American Robin 98% 2 American Crow 87% 3 Dark-eyed Junco 87% 4 White-throated Sparrow 87% 5 Blue Jay 81% 6 European Starling 81% 7 Downy Woodpecker 74% 8 Song Sparrow 70% 9 Mourning Dove 64% 10 Carolina Wren 58% 11 Northern Cardinal 51% 12 Turkey Vulture 51% 13 Red-bellied Woodpecker 47% 14 Cedar Waxwing 43% 15 American Goldfinch 40% 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 Robin98%
American Crow87%
Dark-eyed Junco87%
White-throated Sparrow87%
Blue Jay81%
European Starling81%
Downy Woodpecker74%
Song Sparrow70%
Mourning Dove64%
Carolina Wren58%
Northern Cardinal51%
Turkey Vulture51%
Red-bellied Woodpecker47%
Cedar Waxwing43%
American Goldfinch40%