Species · North Dakota · BBS 2025 Release · 1966–2024

Say's Phoebe Population Trend in North Dakota

Say's Phoebe in North Dakota has surged: up 385% on the route-weighted index since 1969.

+385%Since 1969
42Routes In State
57Years

Notable Say's Phoebe Trends in North Dakota

long arc increasecomputed index

Say's Phoebe has surged in North Dakota: up 385% on the route-weighted index since 1969.

Say's Phoebe Population Forecast in North Dakota

If the recent trend holds, Say's Phoebe in North Dakota is projected to stay roughly flat through 2029, near 1.3 (95% range 0.75–1.8). A 5-year backtest shows a typical error of ±25.4%, with 60% of held-out values landing inside the 95% band.

-3%Change by 2029
1.3Projected 2029 index
0.751.895% range
±25.4%Backtest error
19672029
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
20251.20.691.7
20261.20.711.7
20271.20.721.7
20281.20.741.8
20291.30.751.8

Say's Phoebe Survey Routes in North Dakota

Routes recording Say's Phoebe in North Dakota.
Golva720231979
Tobacco620191968
Bentley620241988
Dunn Center420241969
Lark419811968
Bowman420241968
Zap420241975
Dickinson320241968
Powers Lake320241990
Emerado220242006
Carpio220231967
Roosevelt Pk220191983
Cedar Creek220221969
Solen220242008
Forman120242013
Carson120241988
Edgeley120242010
Lake George120161992
Danzig120101992
Cooperstown120151991
Wimbledon120132013
Horsehead Lk120241982
Buchanan120211977
Nash119851985
Lakota119811981

Say's Phoebe Population Trend in Other States

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