Species · BCR 19 · BBS 2025 Release · 1966–2024
Spotted Towhee In Central Mixed Grass Prairie
Spotted Towhee in Central Mixed Grass Prairie has surged: up 615% on the route-weighted index since 1971.
+615%Since 1971
29Routes In Region
46Years
Notable Signals
long arc increasecomputed index
Spotted Towhee has surged in Central Mixed Grass Prairie: up 615% on the route-weighted index since 1971.
Forecast
If the recent trend holds, Spotted Towhee in Central Mixed Grass Prairie is projected to stay roughly flat through 2029, near 0.67 (95% range 0.29–1.0). A 5-year backtest shows a typical error of ±210.6%, with 40% of held-out values landing inside the 95% band.
-1%Change by 2029
0.67Projected 2029 index
0.29–1.095% range
±210.6%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.62 | 0.24 | 0.99 |
| 2026 | 0.63 | 0.26 | 1.0 |
| 2027 | 0.64 | 0.27 | 1.0 |
| 2028 | 0.66 | 0.28 | 1.0 |
| 2029 | 0.67 | 0.29 | 1.0 |
Routes In Central Mixed Grass Prairie
| Brady | NEBRASKA | 38 | 2024 |
| Almeria | NEBRASKA | 5 | 2012 |
| Bartley | NEBRASKA | 4 | 2023 |
| Boelus | NEBRASKA | 4 | 2022 |
| Hendley | NEBRASKA | 3 | 2024 |
| Brownlee | NEBRASKA | 2 | 1995 |
| Nenzel | NEBRASKA | 2 | 2024 |
| Bassett | NEBRASKA | 2 | 2023 |
| Phillipsburg | KANSAS | 1 | 2022 |
| Jewell 2 | KANSAS | 1 | 2016 |
| Ash Valley | KANSAS | 1 | 2000 |
| Jamestown | KANSAS | 1 | 2014 |
| Kearney | NEBRASKA | 1 | 2011 |
| Sumner | NEBRASKA | 1 | 2015 |
| Holbrook | NEBRASKA | 1 | 2017 |
| Bartlett | NEBRASKA | 1 | 1972 |
| Swan Lake | NEBRASKA | 1 | 2008 |
| Johnstown | NEBRASKA | 1 | 1994 |
| Piester Lake | NEBRASKA | 1 | 2018 |
| Table | NEBRASKA | 1 | 2017 |
| Gordon | NEBRASKA | 1 | 2010 |
| Ringgold | NEBRASKA | 1 | 2024 |
| Mullen | NEBRASKA | 1 | 2017 |
| Wheeler Co | NEBRASKA | 1 | 2024 |
| Berwyn | NEBRASKA | 1 | 2010 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.