BirdAnalyst
BBS Route · Connecticut · BCR 30

Mystic Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 125 species recorded across 42 survey years, still active.

125Species 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 →
42Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1973–2023Span
5Observers

Bird Species Found on Connecticut Mystic

Top 40 of 125 species by most recent count. Each links to its species trend.

Species recorded on the Mystic 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 RobinTurdidae882023+109%1975
House SparrowPasseridae702023+54%1975
Barn SwallowHirundinidae452023+190%1975
European StarlingSturnidae402023-41%1975
Northern CardinalCardinalidae372023+42%1975
Red-winged BlackbirdIcteridae342023+10%1975
Brown-headed CowbirdIcteridae302023+26%1975
Gray CatbirdMimidae262023+17%1975
American CrowCorvidae232023-65%1975
American GoldfinchFringillidae202023+400%1975
Black-capped ChickadeeParidae172023+7%1975
Chipping SparrowPasserellidae152023+20%1975
Song SparrowPasserellidae152023-48%1975
Northern House WrenTroglodytidae152023+67%1975
House FinchFringillidae132023+286%1977
Tufted TitmouseParidae122023+100%1975
Blue JayCorvidae112023-53%1975
Common GrackleIcteridae112023-59%1975
Carolina WrenTroglodytidae11202311×1976
Wood ThrushTurdidae102023+22%1975
Cedar WaxwingBombycillidae92023+220%1977
Red-eyed VireoVireonidae92023-30%1975
Bank SwallowHirundinidae72004+367%1981
Herring GullLaridae62023-84%1975
Chimney SwiftApodidae62023-49%1975
Eastern KingbirdTyrannidae62023-47%1975
White-breasted NuthatchSittidae62023+450%1975
Eastern BluebirdTurdidae62023+60%1975
Mourning DoveColumbidae52023-75%1975
OvenbirdParulidae52023-22%1975
Downy WoodpeckerPicidae52023+200%1976
Snowy EgretArdeidae52000+14%1986
Red-bellied WoodpeckerPicidae52023+71%1991
Wild TurkeyPhasianidae52022+17%1998
Eastern PhoebeTyrannidae42023-32%1975
Eastern MeadowlarkIcteridae41997-75%1975
Common YellowthroatParulidae42023-88%1975
Glossy IbisThreskiornithidae41998-33%1986
Eastern Wood-PeweeTyrannidae32023-10%1975
Indigo BuntingCardinalidae32023-9%1975

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