Birding spot · Bucks County, Pennsylvania
Birding at Lake Nockamixon: What You'll See Each Week In November, the birds most often reported at Lake Nockamixon are Lesser Black-backed Gull (78%), Ring-billed Gull (77%), and Turkey Vulture (61%). It is busiest in spring, when 65 species turn up on at least 1 in 20 checklists, and species counts peak in early May (89 species). 184 species have been reported here across 1,542 complete checklists from 398 birders.
Species by week 0 20 40 60 80 100 Jan 1-7: 44 species on 5%+ of 51 checklists Jan 8-14: 50 species on 5%+ of 40 checklists Jan 15-21: 36 species on 5%+ of 50 checklists Jan 22-31: 40 species on 5%+ of 46 checklists Feb 1-7: 40 species on 5%+ of 75 checklists Feb 8-14: 35 species on 5%+ of 23 checklists Feb 15-21: 38 species on 5%+ of 83 checklists Feb 22-28: 41 species on 5%+ of 118 checklists Mar 1-7: 50 species on 5%+ of 57 checklists Mar 8-14: 48 species on 5%+ of 62 checklists Mar 15-21: 46 species on 5%+ of 44 checklists Mar 22-31: 50 species on 5%+ of 58 checklists Apr 1-7: 50 species on 5%+ of 23 checklists Apr 8-14: 54 species on 5%+ of 21 checklists Apr 15-21: 54 species on 5%+ of 26 checklists Apr 22-30: 70 species on 5%+ of 14 checklists May 1-7: 89 species on 5%+ of 12 checklists May 8-14: 78 species on 5%+ of 18 checklists May 15-21: 79 species on 5%+ of 19 checklists May 22-31: 78 species on 5%+ of 19 checklists Jun 1-7: 70 species on 5%+ of 16 checklists Jun 8-14: 73 species on 5%+ of 19 checklists Jun 15-21: 65 species on 5%+ of 16 checklists Jun 22-30: 46 species on 5%+ of 11 checklists Jul 1-7: 65 species on 5%+ of 35 checklists Jul 8-14: 60 species on 5%+ of 15 checklists Jul 15-21: 55 species on 5%+ of 18 checklists Jul 22-31: 59 species on 5%+ of 16 checklists Aug 1-7: 64 species on 5%+ of 11 checklists Aug 8-14: 44 species on 5%+ of 69 checklists Aug 15-21: 47 species on 5%+ of 11 checklists Aug 22-31: 75 species on 5%+ of 12 checklists Sep 1-7: 62 species on 5%+ of 14 checklists Sep 8-14: low data (9 checklists) Sep 15-21: 65 species on 5%+ of 43 checklists Sep 22-30: 64 species on 5%+ of 34 checklists Oct 1-7: 71 species on 5%+ of 14 checklists Oct 8-14: 54 species on 5%+ of 14 checklists Oct 15-21: 58 species on 5%+ of 15 checklists Oct 22-31: 53 species on 5%+ of 29 checklists Nov 1-7: 65 species on 5%+ of 38 checklists Nov 8-14: 54 species on 5%+ of 48 checklists Nov 15-21: 50 species on 5%+ of 30 checklists Nov 22-30: 49 species on 5%+ of 36 checklists Dec 1-7: 50 species on 5%+ of 27 checklists Dec 8-14: 49 species on 5%+ of 15 checklists Dec 15-21: 60 species on 5%+ of 37 checklists Dec 22-31: 52 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 Lesser Black-backed Gull 78% 2 Ring-billed Gull 77% 3 Turkey Vulture 61% 4 Blue Jay 51% 5 White-throated Sparrow 48% 6 Song Sparrow 47% 7 Double-crested Cormorant 45% 8 Great Blue Heron 44% 9 American Crow 43% 10 Eastern Bluebird 41% 11 Red-bellied Woodpecker 38% 12 Mallard 36% 13 Carolina Wren 35% 14 Yellow-rumped Warbler 32% 15 Northern Cardinal 31% 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 .
Lesser Black-backed Gull78%
Ring-billed Gull77%
Turkey Vulture61%
Blue Jay51%
White-throated Sparrow48%
Song Sparrow47%
Double-crested Cormorant45%
Great Blue Heron44%
American Crow43%
Eastern Bluebird41%
Red-bellied Woodpecker38%
Mallard36%
Carolina Wren35%
Yellow-rumped Warbler32%
Northern Cardinal31%