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

Rock Wren Population Trend in Oregon

All statesForest birds

Rock Wren in Oregon has surged: up 191% on the route-weighted index since 1970.

+191%Since 1970
89Routes In State
56Years

Notable Rock Wren Trends in Oregon

long arc increasecomputed index

Rock Wren has surged in Oregon: up 191% on the route-weighted index since 1970.

Rock Wren Population Forecast in Oregon

If the recent trend holds, Rock Wren in Oregon is projected to fall about 31% by 2029 — from 3.9 in 2024 to a central estimate of 2.7 (95% range 0.43–5.0). A 5-year backtest shows a typical error of ±34.4%, with 100% of held-out values landing inside the 95% band.

-31%Change by 2029
2.7Projected 2029 index
0.43–5.095% range
±34.4%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
20252.70.435.0
20262.70.435.0
20272.70.435.0
20282.70.435.0
20292.70.435.0

Rock Wren Survey Routes in Oregon

Routes recording Rock Wren in Oregon.
Buchanan3620241971
Blitzen3519931971
Catlow Rim3520241993
Blizzard Gap3320241984
Bly 22420242008
Harney Lake2320241993
Twickenham2120242010
Blitzen 22020241994
Paisley1720241973
Bridgeport1520221986
Adrian1320211984
Donnybrook1219971997
Barnes Val1119871984
Silver Creek1120241984
Warner Vally1120241993
Crooked Riv.1120241994
Donelly 21120242019
Crane1020241993
Three Forks1020242003
Princeton919851972
Trout Creek920211997
Flook Lake820241994
Willow Spg719711969
Sparta720011971
Eightmile720241982

Rock Wren Population Trend in Other States

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