BirdAnalyst
BBS Route · Vermont · BCR 14

Greensboro Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 131 species recorded across 53 survey years, still active.

131Species 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 →
53Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1967–2025Span
8Observers

Bird Species Found on Vermont Greensboro

Top 40 of 131 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
Red-eyed VireoVireonidae502025+182%1969
Common YellowthroatParulidae382025+30%1969
Song SparrowPasserellidae362025-20%1969
American RobinTurdidae362025-38%1969
Chestnut-sided WarblerParulidae232025+8%1969
Pine SiskinFringillidae232005+433%1990
American CrowCorvidae222025-28%1969
Cedar WaxwingBombycillidae212025+10%1971
OvenbirdParulidae192025+44%1970
Red-winged BlackbirdIcteridae172025-80%1969
BobolinkIcteridae152025-56%1969
Common GrackleIcteridae142025-2%1969
Savannah SparrowPasserellidae142025-44%1969
Eastern PhoebeTyrannidae112025-14%1969
Blue JayCorvidae112025+194%1969
Chipping SparrowPasserellidae112025-48%1969
Alder FlycatcherTyrannidae102025+220%1970
American GoldfinchFringillidae92025-57%1969
Indigo BuntingCardinalidae92025+91%1969
Northern ParulaParulidae92025+267%1974
Mourning DoveColumbidae92025+278%1970
Black-throated Green WarblerParulidae92025+120%1971
Black-capped ChickadeeParidae82025-20%1969
European StarlingSturnidae72025-88%1969
Yellow WarblerParulidae72025+29%1969
Winter WrenTroglodytidae72025+71%1971
Wild TurkeyPhasianidae72025-19%2009
VeeryTurdidae62025-53%1969
Hermit ThrushTurdidae62025+11%1970
White-throated SparrowPasserellidae52025-90%1969
Barn SwallowHirundinidae52025-88%1969
Blackburnian WarblerParulidae52025+50%1985
American RedstartParulidae52025-55%1972
Ring-billed GullLaridae51998+250%1980
Least FlycatcherTyrannidae42025-46%1972
Purple FinchFringillidae42025-25%1969
Magnolia WarblerParulidae42025+60%1972
White-breasted NuthatchSittidae42025+167%1971
American Black DuckAnatidae41988-25%1974
Chimney SwiftApodidae42024+17%1970

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