Species · Washington · BBS 2025 Release · 1966–2024

Red-tailed Hawk Population Trend in Washington

Red-tailed Hawk in Washington has surged: up 201% on the route-weighted index since 1970.

+201%Since 1970
107Routes In State
56Years

Notable Red-tailed Hawk Trends in Washington

long arc increasecomputed index

Red-tailed Hawk has surged in Washington: up 201% on the route-weighted index since 1970.

Red-tailed Hawk Population Forecast in Washington

If the recent trend holds, Red-tailed Hawk in Washington is projected to rise about 27% by 2029 — from 2.2 in 2024 to a central estimate of 2.8 (95% range 1.9–3.8). A 5-year backtest shows a typical error of ±51.7%, with 60% of held-out values landing inside the 95% band.

+27%Change by 2029
2.8Projected 2029 index
1.93.895% range
±51.7%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
20252.71.73.6
20262.71.83.7
20272.71.83.7
20282.81.83.7
20292.81.93.8

Red-tailed Hawk Survey Routes in Washington

Routes recording Red-tailed Hawk in Washington.
Keystone1120241994
Scootney Reservoir1020242009
Chewelah920211977
Asotin920241981
Malden820241998
Pomeroy820241992
Mesa820081994
Lake Chelan820241988
Moses Lake720221983
Othello719911982
Ewan 2720242023
Columbia Nwr720221992
Twisp620241973
Reardan620241968
Walla Walla619931993
Hanford Site619961988
Harrington520121973
Connell520151972
Ewan520191983
Waitsburg520041994
Port Angeles420241971
Ardenvoir419851968
Mercer420221969
Everett420241987
Hartline420241994

Red-tailed Hawk Population Trend in Other States

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