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Species · BCR 19 · BBS 2025 Release · 1966–2024

Barred Owl In Central Mixed Grass Prairie

All regionsCentral Mixed Grass PrairieGeneralists

Barred Owl in Central Mixed Grass Prairie has surged: up 123% on the route-weighted index since 1972.

+123%Since 1972TrendPercent 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 →
35Routes In RegionSurvey routesHow many standard-protocol BBS routes contributed counts. More routes means a steadier, better-sampled index; very thin coverage is suppressed.Full methodology →
39YearsYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →

Notable SignalsNotable 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 Central Mixed Grass Prairie: up 123% on the route-weighted index since 1972.

Barred Owl In Central Mixed Grass Prairie Population Forecast

If the recent trend holds, Barred Owl in Central Mixed Grass Prairie is projected to rise about 28% by 2029 — from 0.09 in 2024 to a central estimate of 0.12 (95% range 0.04–0.19). A 5-year backtest shows a typical error of ±185.1%, with 20% of held-out values landing inside the 95% band.

+28%Change by 2029TrendPercent 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 →
0.12Projected 2029 indexProjected indexThe central forecast of the abundance index if the recent trend continues. A projection of the current trajectory, not a prediction.Full methodology →
0.04–0.1995% 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 →
±185.1%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 Central Mixed Grass Prairie is projected to rise about 28% by 2029 — from 0.09 in 2024 to a central estimate of 0.12 (95% range 0.04–0.19). A 5-year backtest shows a typical error of ±185.1%, with 20% of held-out values landing inside the 95% band.19692029
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 →
20250.110.030.19
20260.110.030.19
20270.110.030.19
20280.110.040.19
20290.120.040.19

Routes In Central Mixed Grass Prairie

Routes recording Barred Owl in Central Mixed Grass Prairie.
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 →
GoesselKANSAS32024
DouglasOKLAHOMA32018
BuckeyeKANSAS22012
KanopolisKANSAS22023
HanoverKANSAS22018
HollenbergKANSAS22022
HopewellKANSAS22014
Beloit 2KANSAS22008
SicklesOKLAHOMA22021
ColonyOKLAHOMA21995
WellingtonKANSAS11970
DaltonKANSAS12024
St JohnKANSAS12001
CoatsKANSAS11997
HaysKANSAS12009
LeovilleKANSAS11970
SolomonKANSAS12019
BerwetKANSAS12024
HodgesKANSAS12009
JamestownKANSAS12005
BelvidereNEBRASKA12024
RandlettOKLAHOMA12021
VerdenOKLAHOMA12009
Eagle CityOKLAHOMA12008
ErickOKLAHOMA12008

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