Species · Arkansas · BBS 2025 Release · 1966–2024
Bachman's Sparrow Population Trend in Arkansas
Bachman's Sparrow in Arkansas has fallen sharply: down 56% on the route-weighted index since 1969.
-56%Since 1969
19Routes In State
42Years
Notable Bachman's Sparrow Trends in Arkansas
long arc declinecomputed index
Bachman's Sparrow has fallen sharply in Arkansas: down 56% on the route-weighted index since 1969.
Bachman's Sparrow Population Forecast in Arkansas
If the recent trend holds, Bachman's Sparrow in Arkansas is projected to stay roughly flat through 2022, near 0.09 (95% range 0.00–0.21). A 5-year backtest shows a typical error of ±223.1%, with 100% of held-out values landing inside the 95% band.
n/aChange by 2022
0.09Projected 2022 index
0.00–0.2195% range
±223.1%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2018 | 0.10 | 0.00 | 0.21 |
| 2019 | 0.10 | 0.00 | 0.21 |
| 2020 | 0.10 | 0.00 | 0.21 |
| 2021 | 0.09 | 0.00 | 0.21 |
| 2022 | 0.09 | 0.00 | 0.21 |
Bachman's Sparrow Survey Routes in Arkansas
| Locust Bayou | 2 | 2001 | 1967 |
| Four Lakes | 2 | 2001 | 1994 |
| Crows | 2 | 1984 | 1967 |
| Blakely | 2 | 1986 | 1982 |
| Rupert | 2 | 1967 | 1967 |
| Princeton | 2 | 2011 | 2009 |
| Old Milo | 1 | 1996 | 1974 |
| Ramsey | 1 | 1981 | 1971 |
| Stamps | 1 | 1988 | 1977 |
| Hope | 1 | 1988 | 1988 |
| Ashdown | 1 | 1995 | 1995 |
| Magazine Mtn | 1 | 2017 | 2017 |
| Poyen | 1 | 1990 | 1969 |
| Hollywood | 1 | 2014 | 1972 |
| Waldron | 1 | 2014 | 2002 |
| Fulton | 1 | 1975 | 1968 |
| Nance | 1 | 1998 | 1994 |
| Poyen 2 | 1 | 2009 | 2009 |
| Dry Fork | 1 | 2003 | 2003 |
Bachman's Sparrow Population Trend in Other States
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.