Birding spot · Chester County, Pennsylvania
Birding at Marsh Creek State Park (Milford Mills): What You'll See Each Week In November, the birds most often reported at Marsh Creek State Park (Milford Mills) are Song Sparrow (76%), White-throated Sparrow (76%), and Great Blue Heron (60%). It is busiest in spring, when 70 species turn up on at least 1 in 20 checklists, and species counts peak in the second week of May (80 species). 176 species have been reported here across 1,495 complete checklists from 304 birders.
Species by week 0 20 40 60 80 Jan 1-7: 42 species on 5%+ of 44 checklists Jan 8-14: 51 species on 5%+ of 32 checklists Jan 15-21: 47 species on 5%+ of 29 checklists Jan 22-31: 42 species on 5%+ of 65 checklists Feb 1-7: 48 species on 5%+ of 27 checklists Feb 8-14: 50 species on 5%+ of 36 checklists Feb 15-21: 45 species on 5%+ of 58 checklists Feb 22-28: 48 species on 5%+ of 64 checklists Mar 1-7: 50 species on 5%+ of 62 checklists Mar 8-14: 53 species on 5%+ of 66 checklists Mar 15-21: 54 species on 5%+ of 42 checklists Mar 22-31: 54 species on 5%+ of 70 checklists Apr 1-7: 68 species on 5%+ of 39 checklists Apr 8-14: 62 species on 5%+ of 45 checklists Apr 15-21: 75 species on 5%+ of 37 checklists Apr 22-30: 74 species on 5%+ of 27 checklists May 1-7: 75 species on 5%+ of 25 checklists May 8-14: 80 species on 5%+ of 36 checklists May 15-21: 72 species on 5%+ of 25 checklists May 22-31: 74 species on 5%+ of 13 checklists Jun 1-7: 69 species on 5%+ of 14 checklists Jun 8-14: 57 species on 5%+ of 34 checklists Jun 15-21: 63 species on 5%+ of 32 checklists Jun 22-30: 61 species on 5%+ of 34 checklists Jul 1-7: 65 species on 5%+ of 12 checklists Jul 8-14: 54 species on 5%+ of 27 checklists Jul 15-21: 59 species on 5%+ of 14 checklists Jul 22-31: 73 species on 5%+ of 19 checklists Aug 1-7: low data (7 checklists) Aug 8-14: 60 species on 5%+ of 17 checklists Aug 15-21: 75 species on 5%+ of 14 checklists Aug 22-31: 55 species on 5%+ of 21 checklists Sep 1-7: 63 species on 5%+ of 12 checklists Sep 8-14: 63 species on 5%+ of 12 checklists Sep 15-21: 67 species on 5%+ of 15 checklists Sep 22-30: 63 species on 5%+ of 30 checklists Oct 1-7: 66 species on 5%+ of 13 checklists Oct 8-14: 45 species on 5%+ of 10 checklists Oct 15-21: low data (6 checklists) Oct 22-31: 61 species on 5%+ of 27 checklists Nov 1-7: 65 species on 5%+ of 32 checklists Nov 8-14: 60 species on 5%+ of 31 checklists Nov 15-21: 52 species on 5%+ of 22 checklists Nov 22-30: 59 species on 5%+ of 35 checklists Dec 1-7: 57 species on 5%+ of 29 checklists Dec 8-14: 40 species on 5%+ of 22 checklists Dec 15-21: 45 species on 5%+ of 43 checklists Dec 22-31: 48 species on 5%+ of 69 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 Song Sparrow 76% 2 White-throated Sparrow 76% 3 Great Blue Heron 60% 4 Carolina Wren 58% 5 Northern Cardinal 58% 6 Red-bellied Woodpecker 58% 7 American Crow 57% 8 American Robin 53% 9 Blue Jay 52% 10 Turkey Vulture 48% 11 Ring-billed Gull 43% 12 Belted Kingfisher 39% 13 Double-crested Cormorant 39% 14 Carolina Chickadee 36% 15 Canada Goose 34% 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 .
Song Sparrow76%
White-throated Sparrow76%
Great Blue Heron60%
Carolina Wren58%
Northern Cardinal58%
Red-bellied Woodpecker58%
American Crow57%
American Robin53%
Blue Jay52%
Turkey Vulture48%
Ring-billed Gull43%
Belted Kingfisher39%
Double-crested Cormorant39%
Carolina Chickadee36%
Canada Goose34%