Species · South Dakota · BBS 2025 Release · 1966–2024
Sprague's Pipit Population Trend in South Dakota
Sprague's Pipit in South Dakota has fallen sharply: down 58% on the route-weighted index since 1972.
-58%Since 1972
10Routes In State
18Years
Notable Sprague's Pipit Trends in South Dakota
long arc declinecomputed index
Sprague's Pipit has fallen sharply in South Dakota: down 58% on the route-weighted index since 1972.
Sprague's Pipit Population Forecast in South Dakota
If the recent trend holds, Sprague's Pipit in South Dakota is projected to stay roughly flat through 2023, near 0.06 (95% range 0.00–0.29). A 5-year backtest shows a typical error of ±89.1%, with 100% of held-out values landing inside the 95% band.
n/aChange by 2023
0.06Projected 2023 index
0.00–0.2995% range
±89.1%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2019 | 0.06 | 0.00 | 0.30 |
| 2020 | 0.06 | 0.00 | 0.29 |
| 2021 | 0.06 | 0.00 | 0.29 |
| 2022 | 0.06 | 0.00 | 0.29 |
| 2023 | 0.06 | 0.00 | 0.29 |
Sprague's Pipit Survey Routes in South Dakota
| Eagle Butte | 6 | 2015 | 2010 |
| Harding | 6 | 2011 | 1999 |
| Fort Pierre | 2 | 1973 | 1973 |
| Reva | 2 | 1997 | 1997 |
| Isabel | 2 | 2015 | 2015 |
| Laplant | 2 | 1975 | 1971 |
| Lodgepole | 1 | 2016 | 1990 |
| Marcus | 1 | 1999 | 1999 |
| Ft Thompson | 1 | 1967 | 1967 |
| Long Lake | 1 | 2018 | 2008 |
Sprague's Pipit Population Trend in Other States
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.