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

Say's Phoebe Population Trend in South Dakota

Say's Phoebe in South Dakota has surged: up 287% on the route-weighted index since 1969.

+287%Since 1969
39Routes In State
57Years

Notable Say's Phoebe Trends in South Dakota

long arc increasecomputed index

Say's Phoebe has surged in South Dakota: up 287% on the route-weighted index since 1969.

Say's Phoebe Population Forecast in South Dakota

If the recent trend holds, Say's Phoebe in South Dakota is projected to rise about 136% by 2029 — from 0.18 in 2024 to a central estimate of 0.43 (95% range 0.00–0.92). A 5-year backtest shows a typical error of ±122.6%, with 100% of held-out values landing inside the 95% band.

+136%Change by 2029
0.43Projected 2029 index
0.000.9295% range
±122.6%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
20250.430.000.92
20260.430.000.92
20270.430.000.92
20280.430.000.92
20290.430.000.92

Say's Phoebe Survey Routes in South Dakota

Routes recording Say's Phoebe in South Dakota.
Rockyford1020231972
Promise720151996
Marcus620121999
Reva420231987
Chamberlain320102010
Britton320192014
Cedar Pass320221970
S. Pioneer220121994
Crow Creek220112011
Wind Cave Np220222007
Ottumwa219801969
Lodgepole220241995
Badlands220231982
Tripp119871986
Pioneer120211992
Geddes119901990
Cottonwood120081992
Indian120242003
Railroad Butte120001996
French Creek120001997
Forbes120222022
Gettysburg119941994
Long Lake120102002
Laplant119751975
Owanka119981967

Say's Phoebe Population Trend in Other States

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