BirdAnalyst
BBS Route · Connecticut · BCR 30

Sherman Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 118 species recorded across 48 survey years, still active.

118Species 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 →
48Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1972–2019Span
2Observers

Bird Species Found on Connecticut Sherman

Top 40 of 118 species by most recent count. Each links to its species trend.

Species recorded on the Sherman 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
Red-winged BlackbirdIcteridae832019-8%1974
Gray CatbirdMimidae562019+77%1974
Song SparrowPasserellidae512019+9%1974
Chipping SparrowPasserellidae412019+109%1974
American CrowCorvidae372019+61%1974
VeeryTurdidae342019+354%1974
American RedstartParulidae292019+447%1974
American GoldfinchFringillidae232019+250%1974
House SparrowPasseridae212019-6%1974
American RobinTurdidae202019-56%1974
Red-eyed VireoVireonidae192019+212%1974
Common YellowthroatParulidae182019+54%1974
Northern House WrenTroglodytidae182019+47%1974
Common GrackleIcteridae172019+8%1974
Tufted TitmouseParidae172019+480%1975
Mourning DoveColumbidae162019+21%1974
Yellow WarblerParulidae162019+91%1974
Northern CardinalCardinalidae122019+96%1974
Black-capped ChickadeeParidae122019+185%1974
Wood ThrushTurdidae122019-56%1974
Eastern Wood-PeweeTyrannidae122019+100%1976
OvenbirdParulidae112019+236%1974
Eastern PhoebeTyrannidae102019+110%1974
Tree SwallowHirundinidae9201919×1974
White-breasted NuthatchSittidae92019+82%1974
Chimney SwiftApodidae82019-24%1974
Cedar WaxwingBombycillidae82019+85%1974
Eastern BluebirdTurdidae82019+143%1976
Downy WoodpeckerPicidae62019+117%1974
Eastern KingbirdTyrannidae62019+64%1974
Blue JayCorvidae62019-23%1974
European StarlingSturnidae62019-92%1974
Warbling VireoVireonidae62019+190%1976
House FinchFringillidae62019+31%1981
BobolinkIcteridae52019+29%1976
Blue-gray GnatcatcherPolioptilidae52019+250%1984
Yellow-bellied SapsuckerPicidae52019+325%1984
Purple MartinHirundinidae52019+22%2017
MallardAnatidae52018+133%1992
Brown-headed CowbirdIcteridae42019-62%1974

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