Birding spot · Chester County, Pennsylvania
Birding at ChesLen Preserve: What You'll See Each Week In November, the birds most often reported at ChesLen Preserve are White-throated Sparrow (94%), Red-bellied Woodpecker (88%), and Song Sparrow (86%). It is busiest in spring, when 94 species turn up on at least 1 in 20 checklists, and species counts peak in early May (93 species). 177 species have been reported here across 2,150 complete checklists from 390 birders.
Species by week 0 20 40 60 80 100 Jan 1-7: 59 species on 5%+ of 51 checklists Jan 8-14: 57 species on 5%+ of 37 checklists Jan 15-21: 50 species on 5%+ of 26 checklists Jan 22-31: 58 species on 5%+ of 35 checklists Feb 1-7: 54 species on 5%+ of 29 checklists Feb 8-14: 57 species on 5%+ of 42 checklists Feb 15-21: 53 species on 5%+ of 43 checklists Feb 22-28: 60 species on 5%+ of 34 checklists Mar 1-7: 53 species on 5%+ of 29 checklists Mar 8-14: 65 species on 5%+ of 35 checklists Mar 15-21: 58 species on 5%+ of 41 checklists Mar 22-31: 65 species on 5%+ of 59 checklists Apr 1-7: 62 species on 5%+ of 91 checklists Apr 8-14: 66 species on 5%+ of 71 checklists Apr 15-21: 68 species on 5%+ of 105 checklists Apr 22-30: 87 species on 5%+ of 100 checklists May 1-7: 93 species on 5%+ of 73 checklists May 8-14: 93 species on 5%+ of 89 checklists May 15-21: 86 species on 5%+ of 66 checklists May 22-31: 82 species on 5%+ of 80 checklists Jun 1-7: 78 species on 5%+ of 32 checklists Jun 8-14: 79 species on 5%+ of 36 checklists Jun 15-21: 81 species on 5%+ of 28 checklists Jun 22-30: 71 species on 5%+ of 28 checklists Jul 1-7: 71 species on 5%+ of 28 checklists Jul 8-14: 75 species on 5%+ of 19 checklists Jul 15-21: 77 species on 5%+ of 20 checklists Jul 22-31: 70 species on 5%+ of 29 checklists Aug 1-7: 73 species on 5%+ of 17 checklists Aug 8-14: 68 species on 5%+ of 22 checklists Aug 15-21: 67 species on 5%+ of 26 checklists Aug 22-31: 72 species on 5%+ of 35 checklists Sep 1-7: 72 species on 5%+ of 28 checklists Sep 8-14: 92 species on 5%+ of 37 checklists Sep 15-21: 74 species on 5%+ of 43 checklists Sep 22-30: 77 species on 5%+ of 87 checklists Oct 1-7: 82 species on 5%+ of 59 checklists Oct 8-14: 82 species on 5%+ of 60 checklists Oct 15-21: 70 species on 5%+ of 49 checklists Oct 22-31: 75 species on 5%+ of 36 checklists Nov 1-7: 70 species on 5%+ of 29 checklists Nov 8-14: 60 species on 5%+ of 30 checklists Nov 15-21: 55 species on 5%+ of 24 checklists Nov 22-30: 60 species on 5%+ of 77 checklists Dec 1-7: 64 species on 5%+ of 28 checklists Dec 8-14: 55 species on 5%+ of 26 checklists Dec 15-21: 55 species on 5%+ of 23 checklists Dec 22-31: 57 species on 5%+ of 58 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 White-throated Sparrow 94% 2 Red-bellied Woodpecker 88% 3 Song Sparrow 86% 4 Carolina Wren 84% 5 Eastern Bluebird 81% 6 Carolina Chickadee 78% 7 Turkey Vulture 77% 8 White-breasted Nuthatch 76% 9 Downy Woodpecker 75% 10 Northern Cardinal 72% 11 Blue Jay 71% 12 American Crow 71% 13 American Goldfinch 69% 14 American Robin 68% 15 Mourning Dove 60% 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 .
White-throated Sparrow94%
Red-bellied Woodpecker88%
Song Sparrow86%
Carolina Wren84%
Eastern Bluebird81%
Carolina Chickadee78%
Turkey Vulture77%
White-breasted Nuthatch76%
Downy Woodpecker75%
Northern Cardinal72%
Blue Jay71%
American Crow71%
American Goldfinch69%
American Robin68%
Mourning Dove60%