Birding spot · Dorchester County, Maryland
Birding at Blackwater National Wildlife Refuge: What You'll See Each Week In November, the birds most often reported at Blackwater National Wildlife Refuge are Canada Goose (94%), Mallard (90%), and Bald Eagle (88%). It is busiest in spring, when 100 species turn up on at least 1 in 20 checklists, and species counts peak in early May (102 species). 230 species have been reported here across 3,907 complete checklists from 1,440 birders.
Species by week 0 25 50 75 100 125 Jan 1-7: 75 species on 5%+ of 107 checklists Jan 8-14: 77 species on 5%+ of 111 checklists Jan 15-21: 70 species on 5%+ of 104 checklists Jan 22-31: 71 species on 5%+ of 182 checklists Feb 1-7: 65 species on 5%+ of 108 checklists Feb 8-14: 71 species on 5%+ of 125 checklists Feb 15-21: 70 species on 5%+ of 167 checklists Feb 22-28: 73 species on 5%+ of 137 checklists Mar 1-7: 69 species on 5%+ of 88 checklists Mar 8-14: 71 species on 5%+ of 103 checklists Mar 15-21: 76 species on 5%+ of 96 checklists Mar 22-31: 80 species on 5%+ of 114 checklists Apr 1-7: 79 species on 5%+ of 74 checklists Apr 8-14: 73 species on 5%+ of 64 checklists Apr 15-21: 84 species on 5%+ of 92 checklists Apr 22-30: 88 species on 5%+ of 84 checklists May 1-7: 102 species on 5%+ of 70 checklists May 8-14: 99 species on 5%+ of 58 checklists May 15-21: 94 species on 5%+ of 71 checklists May 22-31: 95 species on 5%+ of 80 checklists Jun 1-7: 94 species on 5%+ of 55 checklists Jun 8-14: 76 species on 5%+ of 54 checklists Jun 15-21: 71 species on 5%+ of 42 checklists Jun 22-30: 75 species on 5%+ of 71 checklists Jul 1-7: 78 species on 5%+ of 42 checklists Jul 8-14: 74 species on 5%+ of 42 checklists Jul 15-21: 77 species on 5%+ of 38 checklists Jul 22-31: 72 species on 5%+ of 61 checklists Aug 1-7: 75 species on 5%+ of 48 checklists Aug 8-14: 79 species on 5%+ of 38 checklists Aug 15-21: 88 species on 5%+ of 34 checklists Aug 22-31: 98 species on 5%+ of 59 checklists Sep 1-7: 85 species on 5%+ of 64 checklists Sep 8-14: 88 species on 5%+ of 48 checklists Sep 15-21: 90 species on 5%+ of 58 checklists Sep 22-30: 76 species on 5%+ of 51 checklists Oct 1-7: 76 species on 5%+ of 66 checklists Oct 8-14: 89 species on 5%+ of 52 checklists Oct 15-21: 86 species on 5%+ of 39 checklists Oct 22-31: 86 species on 5%+ of 99 checklists Nov 1-7: 79 species on 5%+ of 87 checklists Nov 8-14: 76 species on 5%+ of 141 checklists Nov 15-21: 88 species on 5%+ of 78 checklists Nov 22-30: 77 species on 5%+ of 138 checklists Dec 1-7: 83 species on 5%+ of 98 checklists Dec 8-14: 78 species on 5%+ of 66 checklists Dec 15-21: 82 species on 5%+ of 60 checklists Dec 22-31: 76 species on 5%+ of 143 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 Canada Goose 94% 2 Mallard 90% 3 Bald Eagle 88% 4 Great Blue Heron 88% 5 Turkey Vulture 69% 6 Song Sparrow 68% 7 Red-winged Blackbird 67% 8 Northern Pintail 65% 9 Ring-billed Gull 55% 10 Carolina Chickadee 55% 11 Eastern Bluebird 54% 12 Tundra Swan 52% 13 Carolina Wren 52% 14 Northern Mockingbird 52% 15 Northern Harrier 51% 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 Maryland.
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 .
Canada Goose94%
Mallard90%
Bald Eagle88%
Great Blue Heron88%
Turkey Vulture69%
Song Sparrow68%
Red-winged Blackbird67%
Northern Pintail65%
Ring-billed Gull55%
Carolina Chickadee55%
Eastern Bluebird54%
Tundra Swan52%
Carolina Wren52%
Northern Mockingbird52%