BirdAnalyst
Species · BCR 9 · BBS 2025 Release · 1966–2024

Barred Owl In Great Basin

All regionsGreat BasinGeneralists

Barred Owl in Great Basin has declined: down 40% on the route-weighted index since 1991.

-40%Since 1991
17Routes In Region
24Years

Notable Signals

No notable trend signals for Barred Owl in Great Basin. See the full index history below.

Forecast

If the recent trend holds, Barred Owl in Great Basin is projected to stay roughly flat through 2029, near 0.01 (95% range 0.00–0.03). A 5-year backtest shows a typical error of ±62%, with 100% of held-out values landing inside the 95% band.

n/aChange by 2029
0.01Projected 2029 index
0.00–0.0395% range
±62%Backtest error
19772029
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
20250.010.000.03
20260.010.000.03
20270.010.000.03
20280.010.000.03
20290.010.000.03

Routes In Great Basin

Routes recording Barred Owl in Great Basin.
SpringfieldIDAHO31981
Silver CityIDAHO22007
RimrockWASHINGTON22000
GlacierWASHINGTON22023
MazamaWASHINGTON22019
L. WenatcheeWASHINGTON22011
PaisleyOREGON12013
NewhalemWASHINGTON12024
KendallWASHINGTON12021
LeavenworthWASHINGTON12007
White ChuckWASHINGTON12021
CarltonWASHINGTON12019
Suiattle RivWASHINGTON12002
ConcreteWASHINGTON12024
Index 2WASHINGTON12023
Cascade RivWASHINGTON11993
E. Mt. AdamsWASHINGTON12013

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