BirdAnalyst
BBS Route · Virginia · BCR 29

Irisburg Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 98 species recorded across 27 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 →
27Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1976–2024Span
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
American CrowCorvidae712024+98%1979
European StarlingSturnidae542024+35%1979
Mourning DoveColumbidae452024+16%1979
Red-eyed VireoVireonidae382024+4%1979
Northern CardinalCardinalidae342024+14%1979
Eastern BluebirdTurdidae332024+138%1979
Carolina WrenTroglodytidae292024-8%1979
Carolina ChickadeeParidae262024+1%1979
Northern MockingbirdMimidae252024+54%1979
Indigo BuntingCardinalidae232024-40%1979
Chipping SparrowPasserellidae192024+34%1979
Red-bellied WoodpeckerPicidae182024+127%1979
American RobinTurdidae172024-45%1979
House FinchFringillidae162024+418%1992
American GoldfinchFringillidae152024+138%1979
Blue JayCorvidae142024-40%1979
Tufted TitmouseParidae142024+41%1979
Blue-gray GnatcatcherPolioptilidae132024+364%1979
Yellow-billed CuckooCuculidae112024-5%1979
Eastern Wood-PeweeTyrannidae102024-40%1979
Rock PigeonColumbidae92024-54%1990
Blue GrosbeakCardinalidae92024-29%1979
Common YellowthroatParulidae92024+73%1981
Scarlet TanagerCardinalidae92024+133%1984
Downy WoodpeckerPicidae82024+5%1979
Chimney SwiftApodidae82024+12%1979
Wood ThrushTurdidae82024-82%1979
Eastern PhoebeTyrannidae72024+100%1979
Song SparrowPasserellidae72024+63%1979
OvenbirdParulidae72023+50%1979
Brown ThrasherMimidae72024-7%1979
Canada GooseAnatidae72024-84%2005
Common GrackleIcteridae62024-77%1979
Field SparrowPasserellidae62024-64%1979
Eastern TowheePasserellidae62024-73%1979
Yellow-throated VireoVireonidae62024+30%1979
Pileated WoodpeckerPicidae62024+225%1984
Brown-headed CowbirdIcteridae52024-5%1979
Pine WarblerParulidae52024+54%1987
Northern ParulaParulidae52024+180%1990

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