Species · Oklahoma · BBS 2025 Release · 1966–2024
Least Tern Population Trend in Oklahoma
Least Tern in Oklahoma has surged: up 85% on the route-weighted index since 1992.
+85%Since 1992
8Routes In State
12Years
Notable Least Tern Trends in Oklahoma
long arc increasecomputed index
Least Tern has surged in Oklahoma: up 85% on the route-weighted index since 1992.
Least Tern Survey Routes in Oklahoma
| Randlett | 3 | 2005 | 2003 |
| Wainwright | 2 | 1992 | 1992 |
| Jet | 1 | 2012 | 1995 |
| Choctaw | 1 | 2003 | 2003 |
| Eagle City | 1 | 1989 | 1989 |
| Erick | 1 | 2005 | 1997 |
| Cashion | 1 | 2006 | 2003 |
| Tegarden | 1 | 1971 | 1971 |
Least Tern Population Trend in Other States
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.