Birding spot · Prince William County, Virginia
Birding at Occoquan Bay National Wildlife Refuge: What You'll See Each Week In November, the birds most often reported at Occoquan Bay National Wildlife Refuge are White-throated Sparrow (93%), Northern Cardinal (87%), and Carolina Wren (87%). It is busiest in spring, when 103 species turn up on at least 1 in 20 checklists, and species counts peak in early May (98 species). 225 species have been reported here across 7,575 complete checklists from 1,511 birders.
Species by week 0 20 40 60 80 100 Jan 1-7: 72 species on 5%+ of 145 checklists Jan 8-14: 70 species on 5%+ of 135 checklists Jan 15-21: 72 species on 5%+ of 124 checklists Jan 22-31: 75 species on 5%+ of 171 checklists Feb 1-7: 77 species on 5%+ of 164 checklists Feb 8-14: 75 species on 5%+ of 133 checklists Feb 15-21: 77 species on 5%+ of 154 checklists Feb 22-28: 77 species on 5%+ of 137 checklists Mar 1-7: 75 species on 5%+ of 126 checklists Mar 8-14: 77 species on 5%+ of 129 checklists Mar 15-21: 78 species on 5%+ of 132 checklists Mar 22-31: 82 species on 5%+ of 251 checklists Apr 1-7: 82 species on 5%+ of 141 checklists Apr 8-14: 83 species on 5%+ of 237 checklists Apr 15-21: 84 species on 5%+ of 292 checklists Apr 22-30: 92 species on 5%+ of 417 checklists May 1-7: 98 species on 5%+ of 237 checklists May 8-14: 96 species on 5%+ of 262 checklists May 15-21: 86 species on 5%+ of 184 checklists May 22-31: 74 species on 5%+ of 262 checklists Jun 1-7: 77 species on 5%+ of 119 checklists Jun 8-14: 69 species on 5%+ of 97 checklists Jun 15-21: 70 species on 5%+ of 113 checklists Jun 22-30: 72 species on 5%+ of 120 checklists Jul 1-7: 76 species on 5%+ of 98 checklists Jul 8-14: 74 species on 5%+ of 75 checklists Jul 15-21: 72 species on 5%+ of 76 checklists Jul 22-31: 75 species on 5%+ of 126 checklists Aug 1-7: 76 species on 5%+ of 85 checklists Aug 8-14: 76 species on 5%+ of 106 checklists Aug 15-21: 75 species on 5%+ of 90 checklists Aug 22-31: 78 species on 5%+ of 163 checklists Sep 1-7: 84 species on 5%+ of 157 checklists Sep 8-14: 86 species on 5%+ of 123 checklists Sep 15-21: 94 species on 5%+ of 152 checklists Sep 22-30: 86 species on 5%+ of 201 checklists Oct 1-7: 84 species on 5%+ of 132 checklists Oct 8-14: 79 species on 5%+ of 162 checklists Oct 15-21: 79 species on 5%+ of 165 checklists Oct 22-31: 79 species on 5%+ of 237 checklists Nov 1-7: 79 species on 5%+ of 157 checklists Nov 8-14: 77 species on 5%+ of 149 checklists Nov 15-21: 77 species on 5%+ of 127 checklists Nov 22-30: 82 species on 5%+ of 215 checklists Dec 1-7: 78 species on 5%+ of 113 checklists Dec 8-14: 78 species on 5%+ of 81 checklists Dec 15-21: 85 species on 5%+ of 98 checklists Dec 22-31: 72 species on 5%+ of 205 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-throated Sparrow 93% 2 Northern Cardinal 87% 3 Carolina Wren 87% 4 Song Sparrow 86% 5 American Robin 80% 6 Carolina Chickadee 79% 7 Great Blue Heron 78% 8 Canada Goose 77% 9 Bald Eagle 77% 10 Northern Flicker 75% 11 Blue Jay 74% 12 American Crow 69% 13 Downy Woodpecker 68% 14 Red-bellied Woodpecker 67% 15 Fish Crow 67% 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 Virginia.
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 .
White-throated Sparrow93%
Northern Cardinal87%
Carolina Wren87%
Song Sparrow86%
American Robin80%
Carolina Chickadee79%
Great Blue Heron78%
Canada Goose77%
Bald Eagle77%
Northern Flicker75%
Blue Jay74%
American Crow69%
Downy Woodpecker68%
Red-bellied Woodpecker67%
Fish Crow67%