BirdAnalyst
BBS Route · Virginia · BCR 29

Great Falls Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 65 species recorded across 5 survey years, no longer active.

65Species 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 →
5Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1966–1978Span
3Observers

Bird Species Found on Virginia Great Falls

Top 40 of 65 species by most recent count. Each links to its species trend.

Species recorded on the Great Falls 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
European StarlingSturnidae1361978-3%1967
House SparrowPasseridae841978-17%1967
American RobinTurdidae531978-5%1967
Northern MockingbirdMimidae441978-35%1967
Mourning DoveColumbidae381978+19%1967
American CrowCorvidae341978-22%1967
Song SparrowPasserellidae311978+152%1967
Common GrackleIcteridae301978-76%1967
Chimney SwiftApodidae211976+225%1967
Northern CardinalCardinalidae161978-40%1967
Barn SwallowHirundinidae161978-58%1967
Blue JayCorvidae141978-23%1967
Cedar WaxwingBombycillidae121968+50%1967
Gray CatbirdMimidae111978+30%1967
Rock PigeonColumbidae101978+700%1968
Carolina ChickadeeParidae81978+11%1967
Fish CrowCorvidae81976n/an/a
Eastern Wood-PeweeTyrannidae71978-57%1967
Field SparrowPasserellidae71978-62%1967
Purple MartinHirundinidae71976-67%1967
Red-bellied WoodpeckerPicidae51978-25%1967
Eastern KingbirdTyrannidae51978-63%1967
American GoldfinchFringillidae51968-62%1966
Chipping SparrowPasserellidae51978-69%1967
Wood ThrushTurdidae51978-54%1967
Eastern BluebirdTurdidae51966n/an/a
Red-winged BlackbirdIcteridae41978-61%1967
Northern House WrenTroglodytidae41978-36%1967
Tufted TitmouseParidae41978+113%1967
KilldeerCharadriidae41976+300%1967
Downy WoodpeckerPicidae31978-61%1967
Eastern TowheePasserellidae31978-69%1967
Indigo BuntingCardinalidae31978-61%1967
Great Crested FlycatcherTyrannidae31976+200%1967
Yellow-billed CuckooCuculidae21976+0%1966
Brown-headed CowbirdIcteridae21978-74%1967
Eastern MeadowlarkIcteridae21978-89%1967
Baltimore OrioleIcteridae21978+100%1966
Grasshopper SparrowPasserellidae21968-85%1966
Kentucky WarblerParulidae21966n/an/a

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