BirdAnalyst
BBS Route · Vermont · BCR 14

Greensboro Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 129 species recorded across 52 survey years, still active.

129Species 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 →
52Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1967–2024Span
7Observers

Bird Species Found on Vermont Greensboro

Top 40 of 129 species by most recent count. Each links to its species trend.

Species recorded on the Greensboro 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 CrowCorvidae522024-9%1969
American RobinTurdidae342024-34%1969
Song SparrowPasserellidae332024-17%1969
Red-eyed VireoVireonidae272024+105%1969
Common YellowthroatParulidae232024+24%1969
Pine SiskinFringillidae232005+433%1990
European StarlingSturnidae202024-84%1969
Red-winged BlackbirdIcteridae202024-79%1969
Common GrackleIcteridae182024-7%1969
Blue JayCorvidae162024+200%1969
Savannah SparrowPasserellidae162024-51%1969
Mourning DoveColumbidae132024+311%1970
Tree SwallowHirundinidae112024-48%1969
Hermit ThrushTurdidae102024+32%1970
Indigo BuntingCardinalidae92024+46%1969
Alder FlycatcherTyrannidae82024+200%1970
BobolinkIcteridae82024-51%1969
Chestnut-sided WarblerParulidae82024-34%1969
OvenbirdParulidae82024+16%1970
VeeryTurdidae82024-58%1969
American GoldfinchFringillidae62024-53%1969
Cedar WaxwingBombycillidae62024-30%1971
Black-capped ChickadeeParidae52024+12%1969
Wood ThrushTurdidae52024-76%1969
Ring-billed GullLaridae51998+250%1980
Wild TurkeyPhasianidae52022-50%2009
Yellow-bellied SapsuckerPicidae42024+100%1969
Eastern PhoebeTyrannidae42024-41%1969
Blue-headed VireoVireonidae42024+100%1970
American Black DuckAnatidae41988-25%1974
Chimney SwiftApodidae42024+17%1970
Canada GooseAnatidae42024+125%2015
American WoodcockScolopacidae42013n/an/a
Horned LarkAlaudidae31969+200%1967
Chipping SparrowPasserellidae32024-65%1969
Cliff SwallowHirundinidae31999-40%1972
Winter WrenTroglodytidae32024-14%1971
Purple MartinHirundinidae31968n/an/a
Golden-crowned KingletRegulidae31997+33%1988
Hairy WoodpeckerPicidae32024+86%1971

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