BBS Route · Connecticut · BCR 30

Mid Haddam Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 128 species recorded across 44 survey years, still active.

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
Gray CatbirdMimidae562025+211%1975
American RobinTurdidae542025-39%1975
European StarlingSturnidae482025-40%1975
Chipping SparrowPasserellidae342025+20%1975
Red-winged BlackbirdIcteridae332025+13%1975
Common GrackleIcteridae322025-45%1975
House FinchFringillidae282025+369%1981
House SparrowPasseridae252025-44%1975
Mourning DoveColumbidae242025+32%1975
Song SparrowPasserellidae232025-5%1975
Northern CardinalCardinalidae232025+147%1975
OvenbirdParulidae232025+38%1975
Red-eyed VireoVireonidae212025+32%1975
American CrowCorvidae172025-33%1975
Cedar WaxwingBombycillidae172025+127%1979
American GoldfinchFringillidae142025+467%1975
Canada GooseAnatidae142025+141%1986
Blue JayCorvidae132025-72%1975
White-breasted NuthatchSittidae132025+74%1975
Black-capped ChickadeeParidae132025+27%1975
Wood ThrushTurdidae132025-7%1975
Tufted TitmouseParidae122025+20%1975
Carolina WrenTroglodytidae122025+175%2006
Brown-headed CowbirdIcteridae112025+62%1976
Barn SwallowHirundinidae102025+8%1975
Eastern Wood-PeweeTyrannidae92025+10%1975
Yellow WarblerParulidae82025+440%1975
Common YellowthroatParulidae82025-39%1975
Scarlet TanagerCardinalidae82025+325%1976
Baltimore OrioleIcteridae72025-79%1975
Northern House WrenTroglodytidae62025-22%1975
Wood DuckAnatidae62025-30%1982
Eastern BluebirdTurdidae52025+129%1976
Turkey VultureCathartidae52025+133%1989
Chimney SwiftApodidae42025-18%1975
Eastern PhoebeTyrannidae42025-20%1975
Tree SwallowHirundinidae42025-32%1975
Louisiana WaterthrushParulidae42025+100%2008
Pine WarblerParulidae42025+333%1996
VeeryTurdidae32025-11%1975

Source: USGS North American Breeding Bird Survey, retrieved 2026-08-14. A route is a sample, not a census.