Species · Washington · BBS 2025 Release · 1966–2024

Say's Phoebe Population Trend in Washington

Say's Phoebe in Washington has surged: up 168% on the route-weighted index since 1970.

+168%Since 1970
62Routes In State
55Years

Notable Say's Phoebe Trends in Washington

long arc increasecomputed index

Say's Phoebe has surged in Washington: up 168% on the route-weighted index since 1970.

Say's Phoebe Population Forecast in Washington

If the recent trend holds, Say's Phoebe in Washington is projected to rise about 13% by 2029 — from 1.3 in 2024 to a central estimate of 1.4 (95% range 0.78–2.1). A 5-year backtest shows a typical error of ±53.4%, with 80% of held-out values landing inside the 95% band.

+13%Change by 2029
1.4Projected 2029 index
0.782.195% range
±53.4%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
20251.40.712.0
20261.40.732.0
20271.40.742.0
20281.40.762.0
20291.40.782.1

Say's Phoebe Survey Routes in Washington

Routes recording Say's Phoebe in Washington.
Snowden1619711971
Nighthawk1120241992
Ewan 2920242023
Reardan720241977
L Pend O Nwr720241996
Walla Walla719931993
Twisp520241969
Ewan520191983
Ellensburg520241981
Moses Coulee520231994
Lake Chelan520241988
Asotin420241983
Chewelah320211999
Ardenvoir319861968
Bickleton320191983
Winthrop320221995
Wilbur320241984
Keystone320241994
Horn Rapids320182005
Pomeroy320241998
Odessa320241993
Deer Park320151994
Arid Land Er219961989
Harrington220051977
Pomona219991998

Say's Phoebe Population Trend in Other States

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