Species · BCR 18 · BBS 2025 Release · 1966–2024
Spotted Towhee In Shortgrass Prairie
Spotted Towhee in Shortgrass Prairie has surged: up 12× on the route-weighted index since 1979.
12×Since 1979
29Routes In Region
47Years
Notable Signals
long arc increasecomputed index
Spotted Towhee has surged in Shortgrass Prairie: up 12× on the route-weighted index since 1979.
Forecast
If the recent trend holds, Spotted Towhee in Shortgrass Prairie is projected to rise about 14% by 2029 — from 0.80 in 2024 to a central estimate of 0.91 (95% range 0.25–1.6). A 5-year backtest shows a typical error of ±53.3%, with 100% of held-out values landing inside the 95% band.
+14%Change by 2029
0.91Projected 2029 index
0.25–1.695% range
±53.3%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.86 | 0.21 | 1.5 |
| 2026 | 0.87 | 0.22 | 1.5 |
| 2027 | 0.89 | 0.23 | 1.5 |
| 2028 | 0.90 | 0.24 | 1.6 |
| 2029 | 0.91 | 0.25 | 1.6 |
Routes In Shortgrass Prairie
| Pine Ridge | NEBRASKA | 41 | 2024 |
| Crawford | NEBRASKA | 12 | 2024 |
| Trinchera | COLORADO | 9 | 2022 |
| Farley | NEW-MEXICO | 6 | 2024 |
| Elbert | COLORADO | 4 | 2024 |
| Sabinoso | NEW-MEXICO | 2 | 2021 |
| Pine Bluff | WYOMING | 2 | 1992 |
| Kiowa | COLORADO | 1 | 1996 |
| Gordon Creek | COLORADO | 1 | 2024 |
| Villegreen | COLORADO | 1 | 2024 |
| Kiowa 2 | COLORADO | 1 | 2021 |
| Ninaview | COLORADO | 1 | 2021 |
| Fort Morgan | COLORADO | 1 | 2021 |
| Julesburg | COLORADO | 1 | 2016 |
| Arsenal | COLORADO | 1 | 1991 |
| Rockport | COLORADO | 1 | 2014 |
| Wallace | KANSAS | 1 | 2010 |
| Paxton | NEBRASKA | 1 | 2012 |
| Agate | NEBRASKA | 1 | 1999 |
| Benkelman | NEBRASKA | 1 | 2015 |
| Murray Lake | NEBRASKA | 1 | 2018 |
| Berea | NEBRASKA | 1 | 1984 |
| Grenville | NEW-MEXICO | 1 | 1996 |
| Wagon Mound | NEW-MEXICO | 1 | 1977 |
| Logan | NEW-MEXICO | 1 | 2021 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.