BirdAnalyst
BBS Route · Connecticut · BCR 30

Willimantic Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 113 species recorded across 47 survey years, still active.

113Species 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 →
47Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1967–2018Span
8Observers

Bird Species Found on Connecticut Willimantic

Top 40 of 113 species by most recent count. Each links to its species trend.

Species recorded on the Willimantic 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
Northern CardinalCardinalidae72201816×1969
Tufted TitmouseParidae56201816×1969
Gray CatbirdMimidae542018+207%1969
Red-winged BlackbirdIcteridae462018-65%1969
Mourning DoveColumbidae432018+112%1969
American RobinTurdidae402018-30%1969
House SparrowPasseridae372018-22%1969
Brown-headed CowbirdIcteridae342018+33%1969
Chipping SparrowPasserellidae332018+119%1969
Black-capped ChickadeeParidae322018+76%1969
Song SparrowPasserellidae312018+21%1969
European StarlingSturnidae272018-74%1969
Red-eyed VireoVireonidae272018+119%1969
American CrowCorvidae262018+80%1969
Yellow WarblerParulidae262018+463%1969
House FinchFringillidae252018+422%1979
Cedar WaxwingBombycillidae242018+520%1975
Baltimore OrioleIcteridae202018-40%1969
American GoldfinchFringillidae202018+160%1969
Northern House WrenTroglodytidae202018+77%1969
Chimney SwiftApodidae172018+25%1969
Blue JayCorvidae162018-34%1969
Common YellowthroatParulidae152018-6%1969
Barn SwallowHirundinidae152018-8%1970
Common GrackleIcteridae132018-66%1969
OvenbirdParulidae132018+32%1969
Red-bellied WoodpeckerPicidae122018+433%1987
Eastern PhoebeTyrannidae112018+35%1969
American RedstartParulidae112018+317%1970
Warbling VireoVireonidae92018+340%1979
Rose-breasted GrosbeakCardinalidae82018+114%1969
White-breasted NuthatchSittidae82018+280%1969
Yellow-billed CuckooCuculidae72018+233%1980
Eastern Wood-PeweeTyrannidae72018+100%1969
Yellow-throated VireoVireonidae72018+260%1970
Tree SwallowHirundinidae62018+250%1969
Blue-winged WarblerParulidae62018-40%1970
Wood ThrushTurdidae62018-47%1969
VeeryTurdidae62018+133%1969
Downy WoodpeckerPicidae52018+9%1969

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