BirdAnalyst
Species · South Dakota · BBS 2025 Release · 1966–2024

Eastern Screech-Owl Population Trend in South Dakota

All statesGeneralists

Eastern Screech-Owl in South Dakota has held roughly steady: down 1% on the route-weighted index since 1973.

-1%Since 1973TrendPercent 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 →
10Routes 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 →
13YearsYears 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 South DakotaNotable 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 South Dakota. See the full index history below.

Eastern Screech-Owl Survey Routes in South Dakota

Routes recording Eastern Screech-Owl in South Dakota.
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 →
Tripp120152015
Howard119771973
Maurine119721972
Reva119891989
Lodgepole119951995
Volga119731973
French Creek120051998
Hill City120012001
Englewood120012001
Roubaix Lk119751967

Eastern Screech-Owl Population Trend in Other States

alabamaarkansascoloradoconnecticutdelawarefloridageorgiaillinoisindianaiowakansaskentuckylouisianamainemarylandmassachusettsmichiganminnesotamississippimissourimontananebraskanew-hampshirenew-jerseynew-yorknorth-carolinanorth-dakotaohiooklahomapennsylvaniarhode-islandsouth-carolinatennesseetexasvermontvirginiawest-virginiawisconsinwyoming

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