BirdAnalyst
BBS Route · Connecticut · BCR 30

Westbrook Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 119 species recorded across 36 survey years, still active.

119Species 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 →
36Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1969–2024Span
10Observers

Bird Species Found on Connecticut Westbrook

Top 40 of 119 species by most recent count. Each links to its species trend.

Species recorded on the Westbrook 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
House SparrowPasseridae752024+93%1972
American RobinTurdidae492024-5%1972
Barn SwallowHirundinidae312024+113%1972
Northern CardinalCardinalidae252024+359%1972
Gray CatbirdMimidae242024+122%1972
Red-winged BlackbirdIcteridae232024-54%1972
Common GrackleIcteridae222024-32%1972
Song SparrowPasserellidae212024+73%1972
Blue JayCorvidae202024-17%1972
Carolina WrenTroglodytidae182024+236%1984
Mourning DoveColumbidae162024-27%1972
Chipping SparrowPasserellidae162024+91%1972
Tufted TitmouseParidae162024+817%1972
American GoldfinchFringillidae142024+514%1974
House FinchFringillidae142024+19%1977
White-breasted NuthatchSittidae132024+343%1974
American CrowCorvidae122024+89%1972
Northern House WrenTroglodytidae102024+93%1972
Black-capped ChickadeeParidae102024+129%1973
Fish CrowCorvidae102024+450%1982
European StarlingSturnidae92024-79%1972
Red-eyed VireoVireonidae92024-22%1972
American Black DuckAnatidae91991+400%1986
Red-bellied WoodpeckerPicidae92024+211%1985
Downy WoodpeckerPicidae82024+167%1972
Tree SwallowHirundinidae72024+300%1974
Ring-billed GullLaridae72006+167%1992
Chimney SwiftApodidae62024-54%1972
Eastern BluebirdTurdidae62024+120%1975
Rock PigeonColumbidae61994+144%1980
Eastern PhoebeTyrannidae52024+80%1972
Marsh WrenTroglodytidae52024+143%1978
Herring GullLaridae42024-36%1973
Eastern MeadowlarkIcteridae41998+50%1974
OspreyPandionidae42024+13%2005
Eastern Wood-PeweeTyrannidae32024+29%1972
Brown-headed CowbirdIcteridae32024+17%1973
Baltimore OrioleIcteridae32024-40%1972
Rose-breasted GrosbeakCardinalidae32024-44%1974
Worm-eating WarblerParulidae32024+0%1985

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