Birding spot · Sussex County, Delaware
Birding at Cape Henlopen State Park (southeast): What You'll See Each Week In November, the birds most often reported at Cape Henlopen State Park (southeast) are Great Black-backed Gull (77%), American Herring Gull (59%), and Surf Scoter (57%). It is busiest in spring, when 66 species turn up on at least 1 in 20 checklists, and species counts peak in mid May (80 species). 182 species have been reported here across 1,265 complete checklists from 620 birders.
Species by week 0 20 40 60 80 Jan 1-7: 42 species on 5%+ of 92 checklists Jan 8-14: 37 species on 5%+ of 71 checklists Jan 15-21: 34 species on 5%+ of 45 checklists Jan 22-31: 37 species on 5%+ of 50 checklists Feb 1-7: 37 species on 5%+ of 30 checklists Feb 8-14: 30 species on 5%+ of 22 checklists Feb 15-21: 49 species on 5%+ of 36 checklists Feb 22-28: 38 species on 5%+ of 30 checklists Mar 1-7: 34 species on 5%+ of 30 checklists Mar 8-14: 35 species on 5%+ of 25 checklists Mar 15-21: 38 species on 5%+ of 29 checklists Mar 22-31: 50 species on 5%+ of 37 checklists Apr 1-7: 62 species on 5%+ of 14 checklists Apr 8-14: 46 species on 5%+ of 21 checklists Apr 15-21: 51 species on 5%+ of 21 checklists Apr 22-30: 67 species on 5%+ of 21 checklists May 1-7: 74 species on 5%+ of 23 checklists May 8-14: 74 species on 5%+ of 30 checklists May 15-21: 80 species on 5%+ of 27 checklists May 22-31: 64 species on 5%+ of 58 checklists Jun 1-7: 79 species on 5%+ of 13 checklists Jun 8-14: 61 species on 5%+ of 12 checklists Jun 15-21: 64 species on 5%+ of 19 checklists Jun 22-30: 54 species on 5%+ of 18 checklists Jul 1-7: 67 species on 5%+ of 13 checklists Jul 8-14: 68 species on 5%+ of 20 checklists Jul 15-21: 55 species on 5%+ of 21 checklists Jul 22-31: 49 species on 5%+ of 27 checklists Aug 1-7: 48 species on 5%+ of 29 checklists Aug 8-14: 49 species on 5%+ of 16 checklists Aug 15-21: 44 species on 5%+ of 13 checklists Aug 22-31: 62 species on 5%+ of 18 checklists Sep 1-7: low data (8 checklists) Sep 8-14: 44 species on 5%+ of 11 checklists Sep 15-21: 61 species on 5%+ of 14 checklists Sep 22-30: 56 species on 5%+ of 15 checklists Oct 1-7: 69 species on 5%+ of 14 checklists Oct 8-14: 48 species on 5%+ of 24 checklists Oct 15-21: 53 species on 5%+ of 24 checklists Oct 22-31: 57 species on 5%+ of 23 checklists Nov 1-7: 32 species on 5%+ of 24 checklists Nov 8-14: 62 species on 5%+ of 19 checklists Nov 15-21: 47 species on 5%+ of 19 checklists Nov 22-30: 41 species on 5%+ of 43 checklists Dec 1-7: 46 species on 5%+ of 15 checklists Dec 8-14: 38 species on 5%+ of 11 checklists Dec 15-21: 33 species on 5%+ of 10 checklists Dec 22-31: 41 species on 5%+ of 60 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 Great Black-backed Gull 77% 2 American Herring Gull 59% 3 Surf Scoter 57% 4 Double-crested Cormorant 55% 5 Northern Gannet 54% 6 Red-throated Loon 54% 7 Lesser Black-backed Gull 50% 8 Black Scoter 50% 9 Ring-billed Gull 42% 10 Sanderling 39% 11 Yellow-rumped Warbler 36% 12 Common Loon 30% 13 Song Sparrow 28% 14 Forster's Tern 25% 15 Turkey Vulture 25% 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 Delaware.
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 .
Great Black-backed Gull77%
American Herring Gull59%
Surf Scoter57%
Double-crested Cormorant55%
Northern Gannet54%
Red-throated Loon54%
Lesser Black-backed Gull50%
Black Scoter50%
Ring-billed Gull42%
Sanderling39%
Yellow-rumped Warbler36%
Common Loon30%
Song Sparrow28%
Forster's Tern25%
Turkey Vulture25%