BirdAnalyst
BBS Route · Virginia · BCR 29

Irisburg Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 98 species recorded across 28 survey years, still active.

98Species 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 →
28Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1976–2025Span
7Observers

Bird Species Found on Virginia Irisburg

Top 40 of 98 species by most recent count. Each links to its species trend.

Species recorded on the Irisburg 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 StarlingSturnidae672025+66%1979
American CrowCorvidae512025+100%1979
Rock PigeonColumbidae402025+89%1990
Northern CardinalCardinalidae342025-8%1979
Red-eyed VireoVireonidae322025+6%1979
Tufted TitmouseParidae262025+44%1979
Chipping SparrowPasserellidae252025+47%1979
Mourning DoveColumbidae242025+3%1979
Indigo BuntingCardinalidae242025-45%1979
Common GrackleIcteridae222025-62%1979
Northern MockingbirdMimidae212025+46%1979
Carolina ChickadeeParidae212025-9%1979
Chimney SwiftApodidae192025+5%1979
Carolina WrenTroglodytidae192025-11%1979
Blue-gray GnatcatcherPolioptilidae192025+355%1979
Red-bellied WoodpeckerPicidae172025+105%1979
Eastern BluebirdTurdidae152025+114%1979
American GoldfinchFringillidae142025+131%1979
Blue JayCorvidae102025-59%1979
Wood ThrushTurdidae102025-79%1979
Common YellowthroatParulidae92025+82%1981
Eastern Wood-PeweeTyrannidae82025-42%1979
White-eyed VireoVireonidae82025+89%1979
Northern ParulaParulidae82025+240%1990
Blue GrosbeakCardinalidae72025-25%1979
American RobinTurdidae72025-61%1979
Canada GooseAnatidae72024-84%2005
Field SparrowPasserellidae62025-63%1979
White-breasted NuthatchSittidae62025+160%1991
Fish CrowCorvidae62025+80%2022
Song SparrowPasserellidae52025+50%1979
Brown ThrasherMimidae52025+7%1979
Scarlet TanagerCardinalidae52025+183%1984
Yellow-billed CuckooCuculidae42025-14%1979
Downy WoodpeckerPicidae42025-30%1979
Brown-headed CowbirdIcteridae42025-24%1979
Eastern TowheePasserellidae42025-73%1979
Yellow-throated VireoVireonidae42025+50%1979
Yellow-breasted ChatIcteriidae42025-37%1979
House SparrowPasseridae42025-90%1979

Source: USGS North American Breeding Bird Survey, retrieved 2026-08-14. A route is a sample, not a census.