BirdAnalyst
BBS Route · Vermont · BCR 13

Bristol Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 105 species recorded across 16 survey years, still active.

105Species 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 →
16Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1995–2025Span
4Observers

Bird Species Found on Vermont Bristol

Top 40 of 105 species by most recent count. Each links to its species trend.

Species recorded on the Bristol 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
Song SparrowPasserellidae522025-50%1997
European StarlingSturnidae512025-39%1997
Cedar WaxwingBombycillidae482025+58%1997
Red-winged BlackbirdIcteridae472025-56%1997
Ring-billed GullLaridae392018-57%1997
Red-eyed VireoVireonidae392025+4%1997
Barn SwallowHirundinidae372025-34%1997
American RobinTurdidae372025-49%1997
Chipping SparrowPasserellidae342025+36%1997
Turkey VultureCathartidae302025+54%2012
Common YellowthroatParulidae272025-45%1997
American CrowCorvidae262025-40%1997
Northern CardinalCardinalidae252025+8%1997
Gray CatbirdMimidae232025+18%1997
House SparrowPasseridae222025-63%1997
Tree SwallowHirundinidae172025-41%1997
Tufted TitmouseParidae162025+700%1999
American GoldfinchFringillidae152025-44%1997
American RedstartParulidae152025+263%1997
Black-capped ChickadeeParidae152025-50%1997
Rock PigeonColumbidae132025-74%1997
Wild TurkeyPhasianidae122018+67%2008
Indigo BuntingCardinalidae112025-41%1997
Savannah SparrowPasserellidae102025-61%1997
Yellow WarblerParulidae102025-65%1997
Northern House WrenTroglodytidae102025+70%1997
VeeryTurdidae102025-23%1997
Eastern PhoebeTyrannidae92025+21%1997
Wood ThrushTurdidae92025-54%1997
OvenbirdParulidae82025-5%1998
Eastern KingbirdTyrannidae72025-72%1997
Mourning DoveColumbidae62025-9%1997
Swamp SparrowPasserellidae62025-71%1997
Chestnut-sided WarblerParulidae62025+71%1997
Downy WoodpeckerPicidae52025+29%1997
Willow FlycatcherTyrannidae52000+17%1997
BobolinkIcteridae52025-70%1997
Bank SwallowHirundinidae52012+224%1998
Chimney SwiftApodidae42009+0%1999
Blue JayCorvidae42025-53%1997

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