BirdAnalyst
BBS Route · Connecticut · BCR 30

Buckingham Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 112 species recorded across 51 survey years, still active.

112Species 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 →
51Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1966–2022Span
5Observers

Bird Species Found on Connecticut Buckingham

Top 40 of 112 species by most recent count. Each links to its species trend.

Species recorded on the Buckingham 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 RobinTurdidae362022-52%1970
Canada GooseAnatidae312022+260%1994
American CrowCorvidae282022+322%1970
Gray CatbirdMimidae252022+7%1970
Northern CardinalCardinalidae252022+744%1971
American GoldfinchFringillidae232022+70%1970
MallardAnatidae222022+420%1991
Chipping SparrowPasserellidae202022+6%1970
Mourning DoveColumbidae192022+168%1970
Common YellowthroatParulidae172022+16%1970
House SparrowPasseridae162022-62%1970
Black-capped ChickadeeParidae162022-4%1970
House FinchFringillidae132022+220%1979
Turkey VultureCathartidae132022+467%1993
Song SparrowPasserellidae122022-50%1970
Red-winged BlackbirdIcteridae112022-79%1970
Northern House WrenTroglodytidae112022+61%1970
Barn SwallowHirundinidae92022-45%1970
White-breasted NuthatchSittidae92022+47%1971
Carolina WrenTroglodytidae92022+100%1993
Eastern PhoebeTyrannidae82022+130%1970
European StarlingSturnidae82022-49%1970
OvenbirdParulidae82022-40%1970
VeeryTurdidae82022-58%1970
Eastern BluebirdTurdidae82022+275%1987
Blue JayCorvidae72022-60%1970
Tufted TitmouseParidae72022+620%1971
Brown-headed CowbirdIcteridae62022-19%1970
Red-eyed VireoVireonidae62022-58%1970
Wood ThrushTurdidae62022-75%1970
Yellow WarblerParulidae62022+77%1972
KilldeerCharadriidae52014+17%1973
BobolinkIcteridae52014+125%1972
Swamp SparrowPasserellidae52004+400%1972
Northern Rough-winged SwallowHirundinidae52022+20%1994
Red-bellied WoodpeckerPicidae52022+400%1987
Common GrackleIcteridae42022-89%1970
Rose-breasted GrosbeakCardinalidae42022+133%1970
Tree SwallowHirundinidae42022+33%1972
Cedar WaxwingBombycillidae42022+54%1972

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