BirdAnalyst
BBS Route · Connecticut · BCR 30

E Hartland Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 100 species recorded across 24 survey years, no longer active.

100Species 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 →
24Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1966–1992Span
5Observers

Bird Species Found on Connecticut E Hartland

Top 40 of 100 species by most recent count. Each links to its species trend.

Species recorded on the E Hartland 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 RobinTurdidae691992+41%1968
American CrowCorvidae501992+118%1968
European StarlingSturnidae471992+1%1968
Common GrackleIcteridae281992-2%1968
Song SparrowPasserellidae271992-16%1968
House FinchFringillidae211992+867%1980
Mourning DoveColumbidae191992+224%1968
Red-eyed VireoVireonidae181992+33%1968
Tufted TitmouseParidae171992+733%1968
Northern CardinalCardinalidae161992+482%1968
House SparrowPasseridae161992+1%1968
Black-capped ChickadeeParidae161992+225%1969
Chimney SwiftApodidae151992+433%1968
Eastern PhoebeTyrannidae151992+41%1968
Chipping SparrowPasserellidae131992+45%1968
Cedar WaxwingBombycillidae131992+91%1969
Warbling VireoVireonidae131992+225%1968
Common YellowthroatParulidae131992-28%1968
Wood ThrushTurdidae131992-38%1968
American GoldfinchFringillidae121992+54%1969
Gray CatbirdMimidae101992-41%1968
Canada GooseAnatidae101992+62%1982
Baltimore OrioleIcteridae81992-55%1968
American RedstartParulidae81992-42%1968
VeeryTurdidae81992-28%1968
Yellow WarblerParulidae71992+250%1968
Rock PigeonColumbidae61992-57%1969
Blue JayCorvidae61992-66%1968
Northern MockingbirdMimidae61992+171%1973
Downy WoodpeckerPicidae51992+0%1968
Brown-headed CowbirdIcteridae51992-27%1968
Red-winged BlackbirdIcteridae51992-63%1968
OvenbirdParulidae51992+56%1968
Black-and-white WarblerParulidae51992+63%1969
Eastern Wood-PeweeTyrannidae41992+0%1968
Barn SwallowHirundinidae41992-61%1968
Chestnut-sided WarblerParulidae41992+123%1968
Eastern KingbirdTyrannidae31992-73%1968
Rose-breasted GrosbeakCardinalidae31992-61%1968
Wood DuckAnatidae31979+200%1967

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