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

Eastern Screech-Owl Population Trend in Illinois

All statesGeneralists

Eastern Screech-Owl in Illinois has declined: down 28% on the route-weighted index since 1972.

-28%Since 1972
26Routes In State
30Years

Notable Eastern Screech-Owl Trends in Illinois

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

Eastern Screech-Owl Population Forecast in Illinois

If the recent trend holds, Eastern Screech-Owl in Illinois is projected to stay roughly flat through 2029, near 0.01 (95% range 0.00–0.05). A 5-year backtest shows a typical error of ±51.1%, with 100% of held-out values landing inside the 95% band.

n/aChange by 2029
0.01Projected 2029 index
0.00–0.0595% range
±51.1%Backtest error
19682029
Projection of the recent trend (dashed) with 80/95% bands — a projection, not a prediction. Habitat, climate, and land use are not modeled.
YearProjected index95% low95% high
20250.010.000.05
20260.010.000.05
20270.010.000.05
20280.010.000.05
20290.010.000.05

Eastern Screech-Owl Survey Routes in Illinois

Routes recording Eastern Screech-Owl in Illinois.
Holcomb519961996
Birds419921982
Essex219741972
Chandlervill219761976
Melrose219871975
Concord219781978
Geneseo119831983
Newark119761976
Minonk119781976
Fairbury119771977
Milford119781978
Bluff Spgs119811977
Belleview120241968
Pawnee119891986
Fairland119711971
Bradbury120102010
Martinsville120002000
Columbia120222022
Clayton120242011
Brnt Prairie120142014
Pulaski119911991
Belknap120181995
Karnak120122012
Eldred120101997
Yale120242024

Eastern Screech-Owl Population Trend in Other States

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

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