Birding spot · Loudoun County, Virginia
Birding at Algonkian Regional Park (Sugarland Run): What You'll See Each Week In November, the birds most often reported at Algonkian Regional Park (Sugarland Run) are White-throated Sparrow (95%), Northern Cardinal (94%), and Red-bellied Woodpecker (92%). It is busiest in spring, when 101 species turn up on at least 1 in 20 checklists, and species counts peak in early May (111 species). 187 species have been reported here across 1,325 complete checklists from 299 birders.
Species by week 0 25 50 75 100 125 Jan 1-7: 56 species on 5%+ of 38 checklists Jan 8-14: 54 species on 5%+ of 41 checklists Jan 15-21: 54 species on 5%+ of 50 checklists Jan 22-31: 60 species on 5%+ of 38 checklists Feb 1-7: 52 species on 5%+ of 22 checklists Feb 8-14: 58 species on 5%+ of 44 checklists Feb 15-21: 64 species on 5%+ of 34 checklists Feb 22-28: 60 species on 5%+ of 46 checklists Mar 1-7: 64 species on 5%+ of 44 checklists Mar 8-14: 68 species on 5%+ of 56 checklists Mar 15-21: 77 species on 5%+ of 37 checklists Mar 22-31: 80 species on 5%+ of 36 checklists Apr 1-7: 70 species on 5%+ of 24 checklists Apr 8-14: 84 species on 5%+ of 20 checklists Apr 15-21: 82 species on 5%+ of 27 checklists Apr 22-30: 106 species on 5%+ of 37 checklists May 1-7: 111 species on 5%+ of 35 checklists May 8-14: 95 species on 5%+ of 28 checklists May 15-21: 96 species on 5%+ of 13 checklists May 22-31: 91 species on 5%+ of 20 checklists Jun 1-7: 74 species on 5%+ of 11 checklists Jun 8-14: low data (1 checklists) Jun 15-21: low data (9 checklists) Jun 22-30: 69 species on 5%+ of 12 checklists Jul 1-7: low data (9 checklists) Jul 8-14: 74 species on 5%+ of 12 checklists Jul 15-21: 68 species on 5%+ of 14 checklists Jul 22-31: 79 species on 5%+ of 20 checklists Aug 1-7: 67 species on 5%+ of 30 checklists Aug 8-14: 65 species on 5%+ of 25 checklists Aug 15-21: 78 species on 5%+ of 23 checklists Aug 22-31: 75 species on 5%+ of 52 checklists Sep 1-7: 91 species on 5%+ of 33 checklists Sep 8-14: 69 species on 5%+ of 24 checklists Sep 15-21: 98 species on 5%+ of 20 checklists Sep 22-30: 68 species on 5%+ of 25 checklists Oct 1-7: 85 species on 5%+ of 11 checklists Oct 8-14: 72 species on 5%+ of 23 checklists Oct 15-21: 76 species on 5%+ of 16 checklists Oct 22-31: 80 species on 5%+ of 20 checklists Nov 1-7: 71 species on 5%+ of 15 checklists Nov 8-14: 68 species on 5%+ of 20 checklists Nov 15-21: 68 species on 5%+ of 18 checklists Nov 22-30: 64 species on 5%+ of 44 checklists Dec 1-7: 65 species on 5%+ of 40 checklists Dec 8-14: 56 species on 5%+ of 26 checklists Dec 15-21: 64 species on 5%+ of 39 checklists Dec 22-31: 49 species on 5%+ of 43 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 95% 2 Northern Cardinal 94% 3 Red-bellied Woodpecker 92% 4 Great Blue Heron 90% 5 Carolina Wren 89% 6 Carolina Chickadee 85% 7 Downy Woodpecker 81% 8 Northern Flicker 81% 9 Song Sparrow 80% 10 Tufted Titmouse 77% 11 Blue Jay 76% 12 White-breasted Nuthatch 76% 13 Pileated Woodpecker 75% 14 Eastern Bluebird 71% 15 Dark-eyed Junco 69% 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 Sparrow95%
Northern Cardinal94%
Red-bellied Woodpecker92%
Great Blue Heron90%
Carolina Wren89%
Carolina Chickadee85%
Downy Woodpecker81%
Northern Flicker81%
Song Sparrow80%
Tufted Titmouse77%
Blue Jay76%
White-breasted Nuthatch76%
Pileated Woodpecker75%
Eastern Bluebird71%
Dark-eyed Junco69%