BirdAnalyst
Species · BCR 21 · BBS 2026 Release · 1966–2025

Great Horned Owl In Oaks and Prairies

All regionsOaks and PrairiesBirds of prey

Great Horned Owl in Oaks and Prairies has edged up: up 10% on the route-weighted index since 1969.

+10%Since 1969TrendPercent 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 →
63Routes 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 →
58YearsYears 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 →

No notable trend signals for Great Horned Owl in Oaks and Prairies. See the full index history below.

Great Horned Owl In Oaks and Prairies Population Forecast

If the recent trend holds, Great Horned Owl in Oaks and Prairies is projected to rise about 173% by 2030 — from 0.16 in 2025 to a central estimate of 0.45 (95% range 0.13–0.76). A 5-year backtest shows a typical error of ±171.6%, with 40% of held-out values landing inside the 95% band.

+173%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 →
0.45Projected 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 →
0.13–0.7695% 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 →
±171.6%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, Great Horned Owl in Oaks and Prairies is projected to rise about 173% by 2030 — from 0.16 in 2025 to a central estimate of 0.45 (95% range 0.13–0.76). A 5-year backtest shows a typical error of ±171.6%, with 40% of held-out values landing inside the 95% band.19672030
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 →
20260.430.120.75
20270.430.120.75
20280.440.120.75
20290.440.130.76
20300.450.130.76

Routes In Oaks and Prairies

Routes recording Great Horned Owl in Oaks and Prairies.
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 →
CampbelltonTEXAS52018
Arenosa CrkTEXAS52019
Wolfe CityTEXAS41985
HeyburnOKLAHOMA32009
CottonwoodTEXAS32025
RhomeTEXAS32012
OlneyTEXAS32024
Three RiversTEXAS32025
BeggsOKLAHOMA22023
Massey LakeTEXAS22013
OakwoodTEXAS21976
OsageTEXAS22023
OlaTEXAS22018
SeldenTEXAS22006
GrafordTEXAS22016
Miller GroveTEXAS22013
DikeTEXAS22016
HenriettaTEXAS22005
WalburgTEXAS22023
CarlosTEXAS22024
Blue RidgeTEXAS22022
Mount ZionTEXAS22017
CreedmoreTEXAS22005
BrucevilleTEXAS22017
CleburneTEXAS22016

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