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Species · California · BBS 2025 Release · 1966–2024

Scott's Oriole Population Trend in California

All statesGeneralists

Scott's Oriole in California has collapsed: down 86% on the route-weighted index since 1970.

-86%Since 1970
49Routes In State
56Years

Notable Scott's Oriole Trends in California

long arc declinecomputed index

Scott's Oriole has collapsed in California: down 86% on the route-weighted index since 1970.

Scott's Oriole Population Forecast in California

If the recent trend holds, Scott's Oriole in California is projected to fall about 58% by 2029 — from 0.16 in 2024 to a central estimate of 0.07 (95% range 0.00–0.39). A 5-year backtest shows a typical error of ±32.7%, with 100% of held-out values landing inside the 95% band.

-58%Change by 2029
0.07Projected 2029 index
0.00–0.3995% range
±32.7%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
20250.110.000.44
20260.100.000.43
20270.090.000.41
20280.080.000.40
20290.070.000.39

Scott's Oriole Survey Routes in California

Routes recording Scott's Oriole in California.
Joshua Tree 21220162013
Joshua Tree1120021970
Willow Spgs719811968
Haiwee Res620051976
Cima620211970
Poway519791975
Anza Borrego420241968
Big Bear419861969
Anza419861978
Green Valley320221970
Jacumba320241973
Big Pine320101968
Pearblossom320241970
Lockwood Val320191971
Kelso Valley220241973
Cholla Gard.220211995
Mt Pinos 2220142007
Yokohl Val219731973
Ubehebe219881975
Parkfield219941994
Goldstone220091968
Valley Wells220221969
Lenwood219771977
Athlone219761976
Cottonwood220191975

Scott's Oriole Population Trend in Other States

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