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

Burrowing Owl In Great Basin

All regionsGreat BasinGeneralists

Burrowing Owl in Great Basin has fallen sharply: down 66% on the route-weighted index since 1970.

-66%Since 1970
124Routes In Region
56Years

Notable Signals

long arc declinecomputed index

Burrowing Owl has fallen sharply in Great Basin: down 66% on the route-weighted index since 1970.

Forecast

If the recent trend holds, Burrowing Owl in Great Basin is projected to fall about 50% by 2029 — from 0.19 in 2024 to a central estimate of 0.09 (95% range 0.00–0.31). A 5-year backtest shows a typical error of ±97.1%, with 100% of held-out values landing inside the 95% band.

-50%Change by 2029
0.09Projected 2029 index
0.00–0.3195% range
±97.1%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
20250.100.000.32
20260.100.000.32
20270.100.000.32
20280.100.000.31
20290.090.000.31

Routes In Great Basin

Routes recording Burrowing Owl in Great Basin.
HarwoodWASHINGTON61997
CratersIDAHO42016
CalienteNEVADA42005
Battle MtnOREGON42024
Grouse CreekUTAH42005
Peplin MountainUTAH42024
Pine CreekUTAH42018
AcequiaIDAHO32007
Cedar HillIDAHO32010
BlitzenOREGON31981
GrantsvilleUTAH32011
ConnellWASHINGTON32003
RavendaleCALIFORNIA21992
DuboisIDAHO22024
RirieIDAHO21974
TriangleIDAHO22005
PicaboIDAHO22012
CareyIDAHO21990
Mud LakeIDAHO22007
Lost RiverIDAHO22023
Tractor FlatIDAHO22024
Calico SprNEVADA21970
Sand PassNEVADA22024
Rye PatchNEVADA21970
SutcliffeNEVADA21971

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