BirdAnalyst
Guild · Oregon · BBS 2025 Release · 1966–2024

Arid-land Birds In Oregon

All statesOregon

5 species in this guild. As a group they are +10% since 1970.

Guild Signals

No notable trend signals for arid-land birds in Oregon. See the full index history below.

Forecast

If the recent trend holds, Arid-land birds in Oregon is projected to fall about 16% by 2029 — from 3.3 in 2024 to a central estimate of 2.8 (95% range 0.00–7.4). A 5-year backtest shows a typical error of ±15.1%, with 100% of held-out values landing inside the 95% band.

-16%Change by 2029
2.8Projected 2029 index
0.00–7.495% range
±15.1%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
20253.10.007.7
20263.00.007.6
20272.90.007.6
20282.90.007.5
20292.80.007.4

Member Species In Oregon

Arid-land birds species in Oregon.
Sagebrush SparrowPasserellidae-61%
California TowheePasserellidae-45%
Sage ThrasherMimidae+49%
Black-throated SparrowPasserellidae+88%
Brewer's SparrowPasserellidae+143%

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