Birding spot · Sussex County, Delaware
Birding at Prime Hook National Wildlife Refuge: What You'll See Each Week In November, the birds most often reported at Prime Hook National Wildlife Refuge are American Black Duck (75%), Great Blue Heron (56%), and Canada Goose (52%). It is busiest in summer, when 61 species turn up on at least 1 in 20 checklists, and species counts peak in late July (77 species). 174 species have been reported here across 1,281 complete checklists from 502 birders.
Species by week 0 20 40 60 80 Jan 1-7: 37 species on 5%+ of 44 checklists Jan 8-14: 43 species on 5%+ of 38 checklists Jan 15-21: 42 species on 5%+ of 31 checklists Jan 22-31: 31 species on 5%+ of 22 checklists Feb 1-7: 31 species on 5%+ of 26 checklists Feb 8-14: 38 species on 5%+ of 19 checklists Feb 15-21: 46 species on 5%+ of 36 checklists Feb 22-28: 40 species on 5%+ of 29 checklists Mar 1-7: 32 species on 5%+ of 34 checklists Mar 8-14: 32 species on 5%+ of 26 checklists Mar 15-21: 47 species on 5%+ of 32 checklists Mar 22-31: 51 species on 5%+ of 52 checklists Apr 1-7: 46 species on 5%+ of 34 checklists Apr 8-14: 49 species on 5%+ of 27 checklists Apr 15-21: 56 species on 5%+ of 28 checklists Apr 22-30: 48 species on 5%+ of 28 checklists May 1-7: 50 species on 5%+ of 25 checklists May 8-14: 65 species on 5%+ of 32 checklists May 15-21: 63 species on 5%+ of 35 checklists May 22-31: 60 species on 5%+ of 48 checklists Jun 1-7: 55 species on 5%+ of 25 checklists Jun 8-14: 67 species on 5%+ of 15 checklists Jun 15-21: 49 species on 5%+ of 27 checklists Jun 22-30: 55 species on 5%+ of 25 checklists Jul 1-7: 71 species on 5%+ of 27 checklists Jul 8-14: 61 species on 5%+ of 29 checklists Jul 15-21: 70 species on 5%+ of 18 checklists Jul 22-31: 77 species on 5%+ of 39 checklists Aug 1-7: 52 species on 5%+ of 28 checklists Aug 8-14: 65 species on 5%+ of 32 checklists Aug 15-21: 55 species on 5%+ of 45 checklists Aug 22-31: 44 species on 5%+ of 29 checklists Sep 1-7: 51 species on 5%+ of 23 checklists Sep 8-14: 52 species on 5%+ of 35 checklists Sep 15-21: 45 species on 5%+ of 12 checklists Sep 22-30: 62 species on 5%+ of 15 checklists Oct 1-7: 44 species on 5%+ of 13 checklists Oct 8-14: low data (8 checklists) Oct 15-21: 56 species on 5%+ of 11 checklists Oct 22-31: 60 species on 5%+ of 19 checklists Nov 1-7: 55 species on 5%+ of 16 checklists Nov 8-14: 35 species on 5%+ of 23 checklists Nov 15-21: 43 species on 5%+ of 10 checklists Nov 22-30: 49 species on 5%+ of 32 checklists Dec 1-7: 46 species on 5%+ of 29 checklists Dec 8-14: 38 species on 5%+ of 10 checklists Dec 15-21: low data (9 checklists) Dec 22-31: 57 species on 5%+ of 31 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 American Black Duck 75% 2 Great Blue Heron 56% 3 Canada Goose 52% 4 American Avocet 47% 5 Bufflehead 47% 6 Greater Yellowlegs 46% 7 Northern Pintail 46% 8 American Herring Gull 44% 9 Mallard 41% 10 Northern Harrier 41% 11 Ring-billed Gull 36% 12 Bald Eagle 35% 13 Dunlin 35% 14 Gadwall 32% 15 Double-crested Cormorant 27% 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 .
American Black Duck75%
Great Blue Heron56%
Canada Goose52%
American Avocet47%
Bufflehead47%
Greater Yellowlegs46%
Northern Pintail46%
American Herring Gull44%
Mallard41%
Ring-billed Gull36%
Bald Eagle35%
Dunlin35%
Gadwall32%
Double-crested Cormorant27%