BirdAnalyst
BBS Route · Virginia · BCR 27

Cornland Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 99 species recorded across 37 survey years, no longer active.

99Species 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 →
37Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1975–2014Span
2Observers

Bird Species Found on Virginia Cornland

Top 40 of 99 species by most recent count. Each links to its species trend.

Species recorded on the Cornland 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
Common GrackleIcteridae782014-57%1977
American RobinTurdidae672014+126%1977
Mourning DoveColumbidae482014+137%1977
Laughing GullLaridae442014+205%1988
Northern CardinalCardinalidae312014+6%1977
Black VultureCathartidae26201427×1995
Northern MockingbirdMimidae252014-1%1977
European StarlingSturnidae212014+38%1977
American CrowCorvidae202014-69%1977
Carolina WrenTroglodytidae202014+27%1977
Indigo BuntingCardinalidae172014-34%1977
Barn SwallowHirundinidae172014+119%1977
Carolina ChickadeeParidae172014+124%1977
Wood ThrushTurdidae172014-46%1977
Red-bellied WoodpeckerPicidae162014+65%1977
Common YellowthroatParulidae162014-58%1977
Eastern MeadowlarkIcteridae152014+29%1977
Blue JayCorvidae142014-20%1977
Purple MartinHirundinidae142014-5%1977
Great Crested FlycatcherTyrannidae132014-4%1977
Red-winged BlackbirdIcteridae122014-52%1977
Chipping SparrowPasserellidae122014+53%1977
Red-eyed VireoVireonidae122014+46%1977
Tufted TitmouseParidae122014-23%1977
KilldeerCharadriidae112014+220%1979
Eastern Wood-PeweeTyrannidae112014+65%1977
Blue GrosbeakCardinalidae112014+12%1977
Pileated WoodpeckerPicidae102014+167%1977
Brown ThrasherMimidae102014-39%1977
Brown-headed CowbirdIcteridae102014+227%1978
Northern BobwhiteOdontophoridae92014-53%1977
Pine WarblerParulidae92014+5%1977
Gray CatbirdMimidae92014-6%1977
Eastern BluebirdTurdidae92014+250%1978
Eastern TowheePasserellidae52014-47%1977
Red-tailed HawkAccipitridae52014+40%1981
Fish CrowCorvidae52014+44%1982
Canada GooseAnatidae52014-73%2008
Yellow-billed CuckooCuculidae42014-65%1977
Ruby-throated HummingbirdTrochilidae42014+60%1978

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