BirdAnalyst
Species · Connecticut · BBS 2025 Release · 1966–2024

Eastern Screech-Owl Population Trend in Connecticut

All statesGeneralists

Eastern Screech-Owl in Connecticut has declined: down 27% on the route-weighted index since 1976.

-27%Since 1976TrendPercent 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 →
9Routes In StateSurvey routesHow many standard-protocol BBS routes contributed counts. More routes means a steadier, better-sampled index; very thin coverage is suppressed.Full methodology →
14YearsYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →

Notable Eastern Screech-Owl Trends in ConnecticutNotable signalsLong-arc shifts the engine flags automatically — sustained declines or increases large enough to stand out from year-to-year noise.Full methodology →

No notable trend signals for Eastern Screech-Owl in Connecticut. See the full index history below.

Eastern Screech-Owl Survey Routes in Connecticut

Routes recording Eastern Screech-Owl in Connecticut.
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 →
Southington320062006
Granby220211992
Buckingham119861981
Uncasville120092009
Woodstock119841984
No Woodbury120162016
Greenwich119991967
Danbury120172017
Long Hill119781974

Eastern Screech-Owl Population Trend in Other States

alabamaarkansascoloradodelawarefloridageorgiaillinoisindianaiowakansaskentuckylouisianamainemarylandmassachusettsmichiganminnesotamississippimissourimontananebraskanew-hampshirenew-jerseynew-yorknorth-carolinanorth-dakotaohiooklahomapennsylvaniarhode-islandsouth-carolinasouth-dakotatennesseetexasvermontvirginiawest-virginiawisconsinwyoming

Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.