Species · BCR 17 · BBS 2025 Release · 1966–2024
White-crowned Sparrow In Badlands and Prairies
White-crowned Sparrow in Badlands and Prairies has surged: up 132% on the route-weighted index since 1982.
+132%Since 1982
7Routes In Region
14Years
Notable Signals
long arc increasecomputed index
White-crowned Sparrow has surged in Badlands and Prairies: up 132% on the route-weighted index since 1982.
Routes In Badlands and Prairies
| Maynard Coulee | MONTANA | 12 | 2024 |
| Soda Well | WYOMING | 3 | 1979 |
| Lusk | WYOMING | 3 | 1983 |
| Powderville | MONTANA | 2 | 1968 |
| Arvada | WYOMING | 2 | 2010 |
| Flatwillow | MONTANA | 1 | 1995 |
| Miles City | MONTANA | 1 | 2015 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.