BirdAnalyst
BBS Route · Virginia · BCR 29

Wylliesburg Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 96 species recorded across 41 survey years, still active.

96Species 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 →
41Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1971–2019Span
4Observers

Bird Species Found on Virginia Wylliesburg

Top 40 of 96 species by most recent count. Each links to its species trend.

Species recorded on the Wylliesburg 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
Cliff SwallowHirundinidae2202019+408%2000
Northern CardinalCardinalidae512019+13%1977
Indigo BuntingCardinalidae512019+50%1977
American CrowCorvidae472019+15%1977
Chipping SparrowPasserellidae472019+517%1977
Mourning DoveColumbidae262019-62%1977
Red-eyed VireoVireonidae262019+90%1977
Eastern BluebirdTurdidae262019+511%1978
Eastern MeadowlarkIcteridae252019-37%1977
Blue-gray GnatcatcherPolioptilidae232019+527%1978
American GoldfinchFringillidae182019+83%1977
Yellow-breasted ChatIcteriidae172019+61%1977
Chimney SwiftApodidae142019-71%1977
Brown-headed CowbirdIcteridae142019-51%1977
Northern MockingbirdMimidae142019-71%1977
Turkey VultureCathartidae142019+179%1978
Northern BobwhiteOdontophoridae132019-68%1977
Acadian FlycatcherTyrannidae122019+122%1979
White-eyed VireoVireonidae122019+225%1991
Yellow-billed CuckooCuculidae102019+83%1977
Grasshopper SparrowPasserellidae102019+169%1983
Summer TanagerCardinalidae92019+20%1977
Carolina WrenTroglodytidae92019+19%1977
Tufted TitmouseParidae92019+30%1977
Field SparrowPasserellidae82019-61%1977
OvenbirdParulidae8201911×1980
Barn SwallowHirundinidae72019-60%1977
Yellow-throated VireoVireonidae72019+220%1978
Red-bellied WoodpeckerPicidae62019-31%1977
Red-winged BlackbirdIcteridae62019-94%1977
Common NighthawkCaprimulgidae61977n/an/a
Wood DuckAnatidae62017+500%1996
Red-tailed HawkAccipitridae52019+200%1980
European StarlingSturnidae52019-92%1977
Blue GrosbeakCardinalidae52019-67%1977
Cedar WaxwingBombycillidae52016-11%2002
Eastern PhoebeTyrannidae42019-17%1977
Eastern Wood-PeweeTyrannidae42019+17%1977
KilldeerCharadriidae42019+83%1987
Common GrackleIcteridae32019-96%1977

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