Species · South Dakota · BBS 2025 Release · 1966–2024
Yellow-breasted Chat Population Trend in South Dakota
Yellow-breasted Chat in South Dakota has surged: up 595% on the route-weighted index since 1969.
+595%Since 1969
25Routes In State
55Years
Notable Yellow-breasted Chat Trends in South Dakota
long arc increasecomputed index
Yellow-breasted Chat has surged in South Dakota: up 594% on the route-weighted index since 1969.
Yellow-breasted Chat Population Forecast in South Dakota
If the recent trend holds, Yellow-breasted Chat in South Dakota is projected to fall about 34% by 2029 — from 0.50 in 2024 to a central estimate of 0.33 (95% range 0.00–1.0). A 5-year backtest shows a typical error of ±33.1%, with 100% of held-out values landing inside the 95% band.
-34%Change by 2029
0.33Projected 2029 index
0.00–1.095% range
±33.1%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.34 | 0.00 | 1.0 |
| 2026 | 0.34 | 0.00 | 1.0 |
| 2027 | 0.33 | 0.00 | 1.0 |
| 2028 | 0.33 | 0.00 | 1.0 |
| 2029 | 0.33 | 0.00 | 1.0 |
Yellow-breasted Chat Survey Routes in South Dakota
| Badlands | 8 | 2022 | 1982 |
| Rosebud | 6 | 2010 | 1971 |
| Rockyford | 6 | 2022 | 1970 |
| Reva | 4 | 2024 | 1979 |
| Wind Cave Np | 3 | 2024 | 1999 |
| Laplant | 3 | 2013 | 1971 |
| Custer | 3 | 2024 | 1967 |
| Cedar Pass | 3 | 2015 | 1969 |
| Britton | 2 | 1970 | 1970 |
| Promise | 2 | 1999 | 1971 |
| Elk Mountain | 2 | 2001 | 1993 |
| Chamberlain | 1 | 2011 | 1968 |
| French Creek | 1 | 2005 | 2005 |
| Ft Thompson | 1 | 2011 | 1968 |
| Owanka | 1 | 2001 | 2001 |
| Roubaix Lk | 1 | 1976 | 1976 |
| Ottumwa | 1 | 1992 | 1991 |
| Fort Pierre | 1 | 1971 | 1970 |
| Maurine | 1 | 2002 | 1968 |
| Eagle Butte | 1 | 2010 | 2010 |
| Ardmore | 1 | 1991 | 1977 |
| Lacreek | 1 | 2014 | 2014 |
| White River | 1 | 1997 | 1997 |
| Pleasant Val | 1 | 2022 | 2016 |
| Hazelrodt | 1 | 2024 | 2002 |
Yellow-breasted Chat Population Trend in Other States
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Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.