BirdAnalyst
BBS Route · Vermont · BCR 14

East Calais Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 126 species recorded across 56 survey years, still active.

126Species 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 →
56Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1966–2025Span
4Observers

Bird Species Found on Vermont East Calais

Top 40 of 126 species by most recent count. Each links to its species trend.

Species recorded on the East Calais 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 RobinTurdidae392025-16%1968
Song SparrowPasserellidae332025-2%1968
OvenbirdParulidae312025+79%1968
Common YellowthroatParulidae282025+8%1968
Red-eyed VireoVireonidae262025+214%1968
Black-capped ChickadeeParidae212025+210%1968
Yellow-bellied SapsuckerPicidae182025+275%1969
Blue JayCorvidae182025+93%1968
Chestnut-sided WarblerParulidae172025+97%1968
American GoldfinchFringillidae162025+61%1968
Cedar WaxwingBombycillidae122025+363%1970
Red CrossbillFringillidae12202412×1997
Eastern PhoebeTyrannidae112025+147%1968
American CrowCorvidae102025-35%1968
Northern ParulaParulidae102025+350%1971
White-throated SparrowPasserellidae82025-84%1968
Red-winged BlackbirdIcteridae72025-56%1968
Common GrackleIcteridae72025-48%1968
Gray CatbirdMimidae72024+43%1968
Winter WrenTroglodytidae72025+125%1972
Mourning DoveColumbidae72025+640%1971
Alder FlycatcherTyrannidae62025+10%1968
Black-throated Green WarblerParulidae62025+167%1968
Red-breasted NuthatchSittidae62025+733%1976
Wood ThrushTurdidae62025-84%1968
Chipping SparrowPasserellidae62025+25%1969
Pileated WoodpeckerPicidae62025+100%1971
Northern House WrenTroglodytidae62025+350%1982
VeeryTurdidae52025-60%1968
Hermit ThrushTurdidae52025+10%1968
Pine WarblerParulidae52025+200%2016
Least FlycatcherTyrannidae42024-32%1968
European StarlingSturnidae42025-90%1968
Purple FinchFringillidae42025-56%1968
Indigo BuntingCardinalidae42025-6%1975
Nashville WarblerParulidae42024-18%1972
Blackburnian WarblerParulidae42025+400%1974
Cliff SwallowHirundinidae32012+100%1972
Blue-headed VireoVireonidae32025-44%1977
Willow FlycatcherTyrannidae31983+200%1977

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