BirdAnalyst
BBS Route · Virginia · BCR 29

Big Island Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 102 species recorded across 45 survey years, still active.

102Species 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 →
45Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1968–2025Span
9Observers

Bird Species Found on Virginia Big Island

Top 40 of 102 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 CrowCorvidae482025+28%1970
Chipping SparrowPasserellidae362025+673%1970
Indigo BuntingCardinalidae352025+14%1970
Northern CardinalCardinalidae332025+24%1970
Red-eyed VireoVireonidae292025+76%1970
Tufted TitmouseParidae282025+204%1970
Eastern BluebirdTurdidae252025+367%1970
Carolina WrenTroglodytidae242025+238%1970
Mourning DoveColumbidae232025+103%1970
Eastern Wood-PeweeTyrannidae232025+157%1971
Turkey VultureCathartidae202025+227%1970
American GoldfinchFringillidae202025+73%1970
Northern MockingbirdMimidae202025-47%1970
Red-bellied WoodpeckerPicidae162025+760%1970
Blue-gray GnatcatcherPolioptilidae152025+264%1975
Barn SwallowHirundinidae142025-52%1970
Carolina ChickadeeParidae132025+71%1971
European StarlingSturnidae112025-77%1970
Blue JayCorvidae102025+13%1970
Field SparrowPasserellidae102025-51%1970
Wood ThrushTurdidae102025-37%1970
Eastern PhoebeTyrannidae92025+50%1970
Brown-headed CowbirdIcteridae92025+87%1973
Acadian FlycatcherTyrannidae82025+200%1970
OvenbirdParulidae82025+300%1970
Eastern MeadowlarkIcteridae72025-59%1970
Cedar WaxwingBombycillidae72025+100%1984
Common GrackleIcteridae62025-79%1970
Yellow-throated VireoVireonidae62025+240%1970
Wood DuckAnatidae61983n/an/a
Downy WoodpeckerPicidae52025+29%1971
Eastern TowheePasserellidae52025-84%1970
Brown ThrasherMimidae52025-56%1970
Ring-billed GullLaridae51990n/an/a
Chimney SwiftApodidae42025-56%1970
Red-winged BlackbirdIcteridae42025-73%1970
Orchard OrioleIcteridae42025-40%1970
Northern Rough-winged SwallowHirundinidae42025+29%1974
House FinchFringillidae42024-22%1991
Pileated WoodpeckerPicidae32025+114%1971

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