Birding spot · Berks County, Pennsylvania
Birding at Hawk Mountain Sanctuary (Cobble): What You'll See Each Week In November, the birds most often reported at Hawk Mountain Sanctuary (Cobble) are White-breasted Nuthatch (86%), Tufted Titmouse (85%), and Dark-eyed Junco (80%). It is busiest in fall, when 39 species turn up on at least 1 in 20 checklists, and species counts peak in the second week of May (51 species). 117 species have been reported here across 1,224 complete checklists from 447 birders.
Species by week 0 20 40 60 Jan 1-7: 18 species on 5%+ of 19 checklists Jan 8-14: 18 species on 5%+ of 18 checklists Jan 15-21: 15 species on 5%+ of 17 checklists Jan 22-31: 15 species on 5%+ of 32 checklists Feb 1-7: 20 species on 5%+ of 20 checklists Feb 8-14: 22 species on 5%+ of 17 checklists Feb 15-21: 19 species on 5%+ of 25 checklists Feb 22-28: 15 species on 5%+ of 22 checklists Mar 1-7: 22 species on 5%+ of 18 checklists Mar 8-14: 21 species on 5%+ of 27 checklists Mar 15-21: 25 species on 5%+ of 27 checklists Mar 22-31: 25 species on 5%+ of 40 checklists Apr 1-7: 29 species on 5%+ of 31 checklists Apr 8-14: 30 species on 5%+ of 29 checklists Apr 15-21: 28 species on 5%+ of 27 checklists Apr 22-30: 36 species on 5%+ of 40 checklists May 1-7: 42 species on 5%+ of 47 checklists May 8-14: 51 species on 5%+ of 37 checklists May 15-21: 43 species on 5%+ of 21 checklists May 22-31: 38 species on 5%+ of 22 checklists Jun 1-7: 38 species on 5%+ of 15 checklists Jun 8-14: 40 species on 5%+ of 15 checklists Jun 15-21: low data (9 checklists) Jun 22-30: 36 species on 5%+ of 11 checklists Jul 1-7: 25 species on 5%+ of 10 checklists Jul 8-14: 39 species on 5%+ of 19 checklists Jul 15-21: low data (3 checklists) Jul 22-31: low data (9 checklists) Aug 1-7: low data (8 checklists) Aug 8-14: 29 species on 5%+ of 13 checklists Aug 15-21: 36 species on 5%+ of 16 checklists Aug 22-31: 39 species on 5%+ of 30 checklists Sep 1-7: 38 species on 5%+ of 32 checklists Sep 8-14: 48 species on 5%+ of 34 checklists Sep 15-21: 46 species on 5%+ of 48 checklists Sep 22-30: 43 species on 5%+ of 49 checklists Oct 1-7: 47 species on 5%+ of 42 checklists Oct 8-14: 43 species on 5%+ of 53 checklists Oct 15-21: 34 species on 5%+ of 43 checklists Oct 22-31: 39 species on 5%+ of 60 checklists Nov 1-7: 26 species on 5%+ of 45 checklists Nov 8-14: 25 species on 5%+ of 32 checklists Nov 15-21: 21 species on 5%+ of 26 checklists Nov 22-30: 20 species on 5%+ of 22 checklists Dec 1-7: 21 species on 5%+ of 10 checklists Dec 8-14: 21 species on 5%+ of 16 checklists Dec 15-21: low data (7 checklists) Dec 22-31: 17 species on 5%+ of 11 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-breasted Nuthatch 86% 2 Tufted Titmouse 85% 3 Dark-eyed Junco 80% 4 American Goldfinch 64% 5 Downy Woodpecker 47% 6 White-throated Sparrow 46% 7 Mourning Dove 46% 8 Purple Finch 43% 9 Red-bellied Woodpecker 40% 10 Northern Cardinal 35% 11 Black-capped Chickadee 29% 12 Carolina Chickadee 22% 13 Carolina Wren 16% 14 American Robin 15% 15 Blue Jay 15% 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.
Purple Finch 25% of checklists here vs 2.8% statewide: 8.9× Fox Sparrow 7.4% of checklists here vs 1.2% statewide: 6.1× 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 .