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BBS Route · Connecticut · BCR 30

Mid Haddam Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 128 species recorded across 43 survey years, still active.

128Species 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 →
43Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1973–2024Span
2Observers

Bird Species Found on Connecticut Mid Haddam

Top 40 of 128 species by most recent count. Each links to its species trend.

Species recorded on the Mid Haddam 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
European StarlingSturnidae1262024-20%1975
Gray CatbirdMimidae502024+211%1975
Chipping SparrowPasserellidae422024+28%1975
American RobinTurdidae322024-43%1975
Mourning DoveColumbidae292024+27%1975
OvenbirdParulidae292024+34%1975
Red-winged BlackbirdIcteridae252024+12%1975
Song SparrowPasserellidae232024-14%1975
Northern CardinalCardinalidae232024+150%1975
House SparrowPasseridae232024-48%1975
American GoldfinchFringillidae192024+456%1975
House FinchFringillidae182024+277%1981
Common GrackleIcteridae162024-68%1975
White-breasted NuthatchSittidae162024+65%1975
Tufted TitmouseParidae162024+36%1975
Red-bellied WoodpeckerPicidae162024+483%1986
Chimney SwiftApodidae152024+6%1975
American CrowCorvidae152024-28%1975
Red-eyed VireoVireonidae152024+19%1975
Northern House WrenTroglodytidae152024-12%1975
Canada GooseAnatidae152023+77%1986
Carolina WrenTroglodytidae142024+175%2006
Common YellowthroatParulidae132024-33%1975
Yellow WarblerParulidae122024+420%1975
American RedstartParulidae112024+60%1975
VeeryTurdidae112024-7%1975
Blue JayCorvidae92024-71%1975
Black-capped ChickadeeParidae92024+3%1975
Wood ThrushTurdidae92024+10%1975
Tree SwallowHirundinidae82024-36%1975
Eastern Wood-PeweeTyrannidae72024-24%1975
Brown-headed CowbirdIcteridae72024+39%1976
Barn SwallowHirundinidae72024-8%1975
Eastern BluebirdTurdidae72024+157%1976
Eastern PhoebeTyrannidae62024-5%1975
Eastern TowheePasserellidae62024-85%1975
Warbling VireoVireonidae62024+13%2006
Downy WoodpeckerPicidae52024+325%1977
Scarlet TanagerCardinalidae52024+200%1976
Louisiana WaterthrushParulidae52024+67%2008

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