Species · Iowa · BBS 2025 Release · 1966–2024
Northern Shoveler Population Trend in Iowa
Northern Shoveler in Iowa has risen sharply: up 73% on the route-weighted index since 1978.
+73%Since 1978
5Routes In State
16Years
Notable Northern Shoveler Trends in Iowa
long arc increasecomputed index
Northern Shoveler has risen sharply in Iowa: up 73% on the route-weighted index since 1978.
Northern Shoveler Survey Routes in Iowa
| Scranton | 11 | 1995 | 1974 |
| Sioux City | 5 | 2023 | 1983 |
| Burchinal | 2 | 2008 | 2008 |
| Garner | 2 | 1978 | 1973 |
| College Spgs | 1 | 1974 | 1974 |
Northern Shoveler Population Trend in Other States
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.