Species · BCR 17 · BBS 2025 Release · 1966–2024
Northern Mockingbird In Badlands and Prairies
Northern Mockingbird in Badlands and Prairies has increased: up 37% on the route-weighted index since 1972.
+37%Since 1972
28Routes In Region
36Years
Notable Signals
No notable trend signals for Northern Mockingbird in Badlands and Prairies. See the full index history below.
Forecast
If the recent trend holds, Northern Mockingbird in Badlands and Prairies is projected to fall about 54% by 2029 — from 0.10 in 2024 to a central estimate of 0.05 (95% range 0.00–0.10). A 5-year backtest shows a typical error of ±41.6%, with 80% of held-out values landing inside the 95% band.
-54%Change by 2029
0.05Projected 2029 index
0.00–0.1095% range
±41.6%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.04 | 0.00 | 0.10 |
| 2026 | 0.04 | 0.00 | 0.10 |
| 2027 | 0.04 | 0.00 | 0.10 |
| 2028 | 0.04 | 0.00 | 0.10 |
| 2029 | 0.05 | 0.00 | 0.10 |
Routes In Badlands and Prairies
| Lacreek | SOUTH-DAKOTA | 6 | 2009 |
| Sussex | WYOMING | 3 | 2024 |
| Rosebud | SOUTH-DAKOTA | 2 | 2007 |
| Highwood | MONTANA | 1 | 1979 |
| Jordan | MONTANA | 1 | 2018 |
| Shawmut | MONTANA | 1 | 2024 |
| Ingomar | MONTANA | 1 | 2024 |
| Locate | MONTANA | 1 | 2024 |
| Lindsay | MONTANA | 1 | 2017 |
| Bentley | NORTH-DAKOTA | 1 | 2011 |
| Solen | NORTH-DAKOTA | 1 | 2007 |
| Carson | NORTH-DAKOTA | 1 | 2006 |
| Winner | SOUTH-DAKOTA | 1 | 2008 |
| Rockyford | SOUTH-DAKOTA | 1 | 1988 |
| Promise | SOUTH-DAKOTA | 1 | 1971 |
| Ottumwa | SOUTH-DAKOTA | 1 | 1968 |
| Harding | SOUTH-DAKOTA | 1 | 1981 |
| Maurine | SOUTH-DAKOTA | 1 | 2002 |
| Reva | SOUTH-DAKOTA | 1 | 2022 |
| Ardmore | SOUTH-DAKOTA | 1 | 2019 |
| Rochford | SOUTH-DAKOTA | 1 | 2011 |
| Redbird | WYOMING | 1 | 1986 |
| Dwyer | WYOMING | 1 | 1996 |
| Arvada | WYOMING | 1 | 2002 |
| Lusk | WYOMING | 1 | 2023 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.