BirdAnalyst
Species · Mississippi · BBS 2026 Release · 1966–2025

Barred Owl Population Trend in Mississippi

All statesBirds of prey

Barred Owl in Mississippi has surged: up 141% on the route-weighted index since 1970.

+141%Since 1970TrendPercent 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 →
55Routes 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 →
57YearsYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →

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

long arc increasecomputed indexTrend sourceWhether the figure is our own computed route-weighted index or an official USGS modeled estimate. The current build labels every trend as computed.Full methodology →

Barred Owl has surged in Mississippi: up 141% on the route-weighted index since 1970.

Barred Owl Population Forecast in Mississippi

If the recent trend holds, Barred Owl in Mississippi is projected to fall about 16% by 2030 — from 0.74 in 2025 to a central estimate of 0.62 (95% range 0.25–0.98). A 5-year backtest shows a typical error of ±23%, with 100% of held-out values landing inside the 95% band.

-16%Change by 2030TrendPercent 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 →
0.62Projected 2030 indexProjected indexThe central forecast of the abundance index if the recent trend continues. A projection of the current trajectory, not a prediction.Full methodology →
0.25–0.9895% range95% rangeThe 95% uncertainty band around the projection at the forecast horizon. The true value should land inside it most of the time.Full methodology →
±23%Backtest errorBacktest errorTypical error when we hold out the most recent years, forecast them, and compare to what actually happened. Lower means a more trustworthy projection.Full methodology →
If the recent trend holds, Barred Owl in Mississippi is projected to fall about 16% by 2030 — from 0.74 in 2025 to a central estimate of 0.62 (95% range 0.25–0.98). A 5-year backtest shows a typical error of ±23%, with 100% of held-out values landing inside the 95% band.19662030
Projection of the recent trend (dashed) with 80/95% bands — a projection, not a prediction. Habitat, climate, and land use are not modeled.
YearProjected indexProjected indexThe central forecast of the abundance index if the recent trend continues. A projection of the current trajectory, not a prediction.Full methodology →95% low95% rangeThe 95% uncertainty band around the projection at the forecast horizon. The true value should land inside it most of the time.Full methodology →95% high95% rangeThe 95% uncertainty band around the projection at the forecast horizon. The true value should land inside it most of the time.Full methodology →
20260.590.220.95
20270.590.230.96
20280.600.230.97
20290.610.240.97
20300.620.250.98

Barred Owl Survey Routes in Mississippi

Routes recording Barred Owl in Mississippi.
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 →
Trace Central420222007
Delta N.F.420211996
Corinth320251990
Macon320251966
Dahomey Nwr320252017
Fort Adams320091975
Lucien220011974
Fayette220131985
Sandy Creek220001993
Mt Carmel220041987
Columbia220031975
De Soto220142014
Weir220232008
Tchula 3220231995
Trace Attala220192017
Trace Choctaw220172017
Trace Chickasaw220252017
Lake Mary119881976
Beverly120001967
Dundee120211982
Commerce119921978
Diberville119841984
Benton120251977
Isola119871970
Utica120171976

Barred Owl Population Trend in Other States

alabamaalaskaarkansascaliforniaconnecticutdelawarefloridageorgiaidahoillinoisindianaiowakansaskentuckylouisianamainemarylandmassachusettsmichiganminnesotamissourimontananebraskanew-hampshirenew-jerseynew-yorknorth-carolinaohiooklahomaoregonpennsylvaniarhode-islandsouth-carolinatennesseetexasvermontvirginiawashingtonwest-virginiawisconsin

Source: USGS North American Breeding Bird Survey, retrieved 2026-08-14.