BirdAnalyst
BBS Route · Virginia · BCR 29

Big Island Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 101 species recorded across 44 survey years, still active.

101Species 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 →
44Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1968–2024Span
9Observers

Bird Species Found on Virginia Big Island

Top 40 of 101 species by most recent count. Each links to its species trend.

Species recorded on the Big Island 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 CrowCorvidae442024+25%1970
Indigo BuntingCardinalidae352024+18%1970
Northern CardinalCardinalidae342024+24%1970
Red-eyed VireoVireonidae312024+87%1970
Chipping SparrowPasserellidae282024+527%1970
Tufted TitmouseParidae272024+161%1970
Carolina WrenTroglodytidae262024+250%1970
Canada GooseAnatidae262001-32%1998
Mourning DoveColumbidae242024+150%1970
Blue-gray GnatcatcherPolioptilidae232024+279%1975
Eastern Wood-PeweeTyrannidae202024+121%1971
Northern MockingbirdMimidae182024-43%1970
Common GrackleIcteridae172024-58%1970
American GoldfinchFringillidae172024+73%1970
Red-bellied WoodpeckerPicidae162024+660%1970
Eastern BluebirdTurdidae142024+367%1970
Blue JayCorvidae102024+30%1970
Brown-headed CowbirdIcteridae102024+83%1973
Eastern MeadowlarkIcteridae92024-57%1970
Brown ThrasherMimidae92024-56%1970
Turkey VultureCathartidae82024+64%1970
Scarlet TanagerCardinalidae82024+125%1970
Barn SwallowHirundinidae82024-62%1970
Wood ThrushTurdidae82024-22%1970
Carolina ChickadeeParidae72024+21%1971
White-breasted NuthatchSittidae72024+25%1995
Eastern PhoebeTyrannidae62024+36%1970
Acadian FlycatcherTyrannidae62024+83%1970
Field SparrowPasserellidae62024-38%1970
Yellow-throated VireoVireonidae62024+140%1970
Wood DuckAnatidae61983n/an/a
Pileated WoodpeckerPicidae52024+143%1971
Red-winged BlackbirdIcteridae52024-71%1970
OvenbirdParulidae52024+250%1970
Ring-billed GullLaridae51990n/an/a
European StarlingSturnidae42024-74%1970
Northern Rough-winged SwallowHirundinidae42024+43%1974
American RobinTurdidae42024-60%1970
House FinchFringillidae42024-22%1991
Tree SwallowHirundinidae42024+60%2002

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