BirdAnalyst
BBS Route · Virginia · BCR 27

Dismal Swamp Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 78 species recorded across 20 survey years, no longer active.

78Species RecordedSpecies recordedDistinct species detected on standard-protocol BBS runs here across all years on record — a measure of survey breadth, not a complete checklist.Full methodology →
20Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1992–2016Span
2Observers

Bird Species Found on Virginia Dismal Swamp

Top 40 of 78 species by most recent count. Each links to its species trend.

Species recorded on the Dismal Swamp route.
Recent countThe raw number of individuals recorded on this route in its most recent survey year. A single-route tally, not a trend.Full methodology →TrendPercent change in the route-weighted abundance index between a smoothed baseline window and the most recent one. It tracks direction, not absolute population.Full methodology →Baseline yearThe first year of the smoothed window the trend is measured from. An earlier baseline means a longer record stands behind the number.Full methodology →History
Prothonotary WarblerParulidae1002016-26%1994
Carolina WrenTroglodytidae662016+101%1994
Gray CatbirdMimidae432016+126%1994
Common YellowthroatParulidae422016-25%1994
Common GrackleIcteridae402016+28%1994
Great Crested FlycatcherTyrannidae212016+66%1994
Prairie WarblerParulidae192016+15%1994
Carolina ChickadeeParidae152016-8%1994
Turkey VultureCathartidae132016+62%1994
Red-bellied WoodpeckerPicidae92016-33%1994
White-eyed VireoVireonidae92016-57%1994
Downy WoodpeckerPicidae82016+9%1994
Acadian FlycatcherTyrannidae82016-67%1994
Brown-headed CowbirdIcteridae82016-36%1994
Eastern Wood-PeweeTyrannidae62016-49%1994
Northern CardinalCardinalidae62016+175%1994
Pine WarblerParulidae62016+8%1997
OvenbirdParulidae62016-65%1994
White-breasted NuthatchSittidae52016-52%1994
Mississippi KiteAccipitridae52002+400%1994
House FinchFringillidae51997+400%1996
Swainson's WarblerParulidae42016-24%1994
Hooded WarblerParulidae42016-73%1994
American RedstartParulidae42016+71%1996
Tufted TitmouseParidae42016-57%1994
Ruby-throated HummingbirdTrochilidae32016-42%1994
Eastern TowheePasserellidae32016-78%1994
Black-and-white WarblerParulidae32016+38%1996
Worm-eating WarblerParulidae32016-70%1994
Brown ThrasherMimidae32016+50%1997
Red-shouldered HawkAccipitridae32016-36%1995
Hairy WoodpeckerPicidae32016+25%1995
Blue JayCorvidae32016-40%1996
Yellow-throated WarblerParulidae32016+67%1998
Purple MartinHirundinidae32016-65%1999
American GoldfinchFringillidae32007n/an/a
Great Blue HeronArdeidae22014-63%1994
Great EgretArdeidae22016+0%2007
Yellow-crowned Night HeronArdeidae21999+100%1992
Yellow-billed CuckooCuculidae22016-72%1994

Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22. A route is a sample, not a census.