Species · Arkansas · BBS 2025 Release · 1966–2024
Lark Sparrow Population Trend in Arkansas
Lark Sparrow in Arkansas has fallen sharply: down 63% on the route-weighted index since 1969.
-63%Since 1969
39Routes In State
57Years
Notable Lark Sparrow Trends in Arkansas
long arc declinecomputed index
Lark Sparrow has fallen sharply in Arkansas: down 63% on the route-weighted index since 1969.
Lark Sparrow Population Forecast in Arkansas
If the recent trend holds, Lark Sparrow in Arkansas is projected to rise about 259% by 2029 — from 0.18 in 2024 to a central estimate of 0.64 (95% range 0.00–1.3). A 5-year backtest shows a typical error of ±116.2%, with 100% of held-out values landing inside the 95% band.
+259%Change by 2029
0.64Projected 2029 index
0.00–1.395% range
±116.2%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.64 | 0.00 | 1.3 |
| 2026 | 0.64 | 0.00 | 1.3 |
| 2027 | 0.64 | 0.00 | 1.3 |
| 2028 | 0.64 | 0.00 | 1.3 |
| 2029 | 0.64 | 0.00 | 1.3 |
Lark Sparrow Survey Routes in Arkansas
| Augusta 2 | 9 | 2016 | 2002 |
| Fulton | 5 | 2023 | 1967 |
| Russell | 4 | 2021 | 2010 |
| England | 4 | 2024 | 2014 |
| Poyen | 3 | 2005 | 1967 |
| Eudora | 2 | 2016 | 1967 |
| Ramsey | 2 | 1990 | 1967 |
| Hope | 2 | 1977 | 1968 |
| Hatfield 2 | 2 | 2023 | 2017 |
| Saffell | 2 | 2019 | 1982 |
| Massard | 2 | 2014 | 1967 |
| Compton | 2 | 1976 | 1967 |
| Ravenden Springs | 2 | 2010 | 2010 |
| Kelso | 2 | 2016 | 2011 |
| Princeton | 2 | 2021 | 2001 |
| Locust Bayou | 1 | 2016 | 1967 |
| Stamps | 1 | 1997 | 1967 |
| Ashdown | 1 | 2011 | 1968 |
| Ozark Nf | 1 | 2016 | 2016 |
| Crows | 1 | 1991 | 1967 |
| Hollywood | 1 | 2002 | 1971 |
| Blakely | 1 | 1997 | 1971 |
| Harrisburg | 1 | 2006 | 1996 |
| Augusta | 1 | 1999 | 1979 |
| Rupert | 1 | 1974 | 1967 |
Lark Sparrow Population Trend in Other States
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.