Species · Oklahoma · BBS 2025 Release · 1966–2024
Black-capped Vireo Population Trend in Oklahoma
Black-capped Vireo in Oklahoma has surged: up 529% on the route-weighted index since 1973.
+529%Since 1973
4Routes In State
23Years
Notable Black-capped Vireo Trends in Oklahoma
long arc increasecomputed index
Black-capped Vireo has surged in Oklahoma: up 529% on the route-weighted index since 1973.
Black-capped Vireo Population Forecast in Oklahoma
If the recent trend holds, Black-capped Vireo in Oklahoma is projected to stay roughly flat through 2029, near 0.64 (95% range 0.16–1.1). A 5-year backtest shows a typical error of ±463.2%, with 60% of held-out values landing inside the 95% band.
n/aChange by 2029
0.64Projected 2029 index
0.16–1.195% range
±463.2%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.60 | 0.12 | 1.1 |
| 2026 | 0.61 | 0.13 | 1.1 |
| 2027 | 0.62 | 0.14 | 1.1 |
| 2028 | 0.63 | 0.15 | 1.1 |
| 2029 | 0.64 | 0.16 | 1.1 |
Black-capped Vireo Survey Routes in Oklahoma
| Wichita Mtns East | 20 | 2022 | 2004 |
| Wichita Mts West | 9 | 2022 | 2004 |
| Verden | 1 | 1973 | 1967 |
| Cooperton | 1 | 2024 | 2021 |
Black-capped Vireo Population Trend in Other States
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.