Birding spot · Montour County, Pennsylvania
Birding at Lake Chillisquaque: What You'll See Each Week In November, the birds most often reported at Lake Chillisquaque are Common Merganser (95%), American Crow (81%), and Canada Goose (80%). It is busiest in spring, when 112 species turn up on at least 1 in 20 checklists, and species counts peak in the second week of May (117 species). 215 species have been reported here across 2,414 complete checklists from 297 birders.
Species by week 0 25 50 75 100 125 Jan 1-7: 52 species on 5%+ of 42 checklists Jan 8-14: 48 species on 5%+ of 30 checklists Jan 15-21: 50 species on 5%+ of 13 checklists Jan 22-31: 35 species on 5%+ of 22 checklists Feb 1-7: 49 species on 5%+ of 20 checklists Feb 8-14: 53 species on 5%+ of 32 checklists Feb 15-21: 57 species on 5%+ of 20 checklists Feb 22-28: 61 species on 5%+ of 78 checklists Mar 1-7: 69 species on 5%+ of 96 checklists Mar 8-14: 70 species on 5%+ of 81 checklists Mar 15-21: 68 species on 5%+ of 82 checklists Mar 22-31: 73 species on 5%+ of 105 checklists Apr 1-7: 84 species on 5%+ of 91 checklists Apr 8-14: 81 species on 5%+ of 81 checklists Apr 15-21: 86 species on 5%+ of 99 checklists Apr 22-30: 93 species on 5%+ of 106 checklists May 1-7: 108 species on 5%+ of 117 checklists May 8-14: 117 species on 5%+ of 108 checklists May 15-21: 109 species on 5%+ of 93 checklists May 22-31: 87 species on 5%+ of 49 checklists Jun 1-7: 87 species on 5%+ of 20 checklists Jun 8-14: 71 species on 5%+ of 23 checklists Jun 15-21: 63 species on 5%+ of 22 checklists Jun 22-30: 67 species on 5%+ of 27 checklists Jul 1-7: 72 species on 5%+ of 10 checklists Jul 8-14: 83 species on 5%+ of 19 checklists Jul 15-21: 73 species on 5%+ of 15 checklists Jul 22-31: 62 species on 5%+ of 21 checklists Aug 1-7: 66 species on 5%+ of 22 checklists Aug 8-14: 69 species on 5%+ of 27 checklists Aug 15-21: 82 species on 5%+ of 16 checklists Aug 22-31: 83 species on 5%+ of 45 checklists Sep 1-7: 89 species on 5%+ of 25 checklists Sep 8-14: 88 species on 5%+ of 56 checklists Sep 15-21: 84 species on 5%+ of 46 checklists Sep 22-30: 93 species on 5%+ of 52 checklists Oct 1-7: 78 species on 5%+ of 39 checklists Oct 8-14: 78 species on 5%+ of 33 checklists Oct 15-21: 68 species on 5%+ of 37 checklists Oct 22-31: 77 species on 5%+ of 79 checklists Nov 1-7: 59 species on 5%+ of 64 checklists Nov 8-14: 64 species on 5%+ of 60 checklists Nov 15-21: 59 species on 5%+ of 57 checklists Nov 22-30: 50 species on 5%+ of 64 checklists Dec 1-7: 50 species on 5%+ of 60 checklists Dec 8-14: 59 species on 5%+ of 39 checklists Dec 15-21: 59 species on 5%+ of 39 checklists Dec 22-31: 44 species on 5%+ of 32 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 Common Merganser 95% 2 American Crow 81% 3 Canada Goose 80% 4 Blue Jay 76% 5 White-throated Sparrow 68% 6 Red-bellied Woodpecker 59% 7 Black-capped Chickadee 58% 8 American Goldfinch 58% 9 Bufflehead 56% 10 Song Sparrow 56% 11 White-breasted Nuthatch 54% 12 Dark-eyed Junco 49% 13 Great Blue Heron 48% 14 Mallard 47% 15 Downy Woodpecker 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 Pennsylvania.
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 .
Common Merganser95%
American Crow81%
Canada Goose80%
Blue Jay76%
White-throated Sparrow68%
Red-bellied Woodpecker59%
Black-capped Chickadee58%
American Goldfinch58%
Bufflehead56%
Song Sparrow56%
White-breasted Nuthatch54%
Dark-eyed Junco49%
Great Blue Heron48%
Mallard47%
Downy Woodpecker44%