Species · South Dakota · BBS 2025 Release · 1966–2024
Lark Sparrow Population Trend in South Dakota
Lark Sparrow in South Dakota has edged up: up 12% on the route-weighted index since 1969.
+12%Since 1969
55Routes In State
57Years
Notable Lark Sparrow Trends in South Dakota
No notable trend signals for Lark Sparrow in South Dakota. See the full index history below.
Lark Sparrow Population Forecast in South Dakota
If the recent trend holds, Lark Sparrow in South Dakota is projected to fall about 32% by 2029 — from 2.5 in 2024 to a central estimate of 1.7 (95% range 0.48–2.9). A 5-year backtest shows a typical error of ±59.2%, with 100% of held-out values landing inside the 95% band.
-32%Change by 2029
1.7Projected 2029 index
0.48–2.995% range
±59.2%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 1.7 | 0.45 | 2.9 |
| 2026 | 1.7 | 0.46 | 2.9 |
| 2027 | 1.7 | 0.46 | 2.9 |
| 2028 | 1.7 | 0.47 | 2.9 |
| 2029 | 1.7 | 0.48 | 2.9 |
Lark Sparrow Survey Routes in South Dakota
| Pleasant Val | 40 | 2024 | 1992 |
| Promise | 19 | 2015 | 1971 |
| Rosebud | 14 | 2011 | 1967 |
| Gorman | 7 | 2004 | 1997 |
| Badlands | 7 | 2023 | 1982 |
| Owanka | 6 | 2022 | 1967 |
| Rochford | 6 | 2018 | 2017 |
| Volunteer | 5 | 2015 | 1967 |
| Chamberlain | 4 | 2011 | 1967 |
| Winner | 4 | 2024 | 1968 |
| Lane | 4 | 1985 | 1968 |
| Railroad Butte | 4 | 2022 | 1995 |
| Long Lake | 4 | 1970 | 1970 |
| White River | 4 | 2014 | 1994 |
| French Creek | 4 | 2005 | 1995 |
| Raymond | 3 | 1967 | 1967 |
| Laplant | 3 | 2013 | 1973 |
| Reva | 3 | 2024 | 1979 |
| Ardmore | 3 | 2018 | 1978 |
| Geddes | 2 | 2023 | 1990 |
| Wilmot | 2 | 2023 | 2023 |
| Veblen | 2 | 1973 | 1967 |
| Britton | 2 | 1977 | 1970 |
| Indian | 2 | 2024 | 1994 |
| Cedar Pass | 2 | 2022 | 1967 |
Lark Sparrow Population Trend in Other States
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.