BirdAnalyst
Species · BCR 19 · BBS 2025 Release · 1966–2024

Black-capped Vireo In Central Mixed Grass Prairie

All regionsCentral Mixed Grass PrairieForest birds

Black-capped Vireo in Central Mixed Grass Prairie has surged: up 440% on the route-weighted index since 1973.

+440%Since 1973
7Routes In Region
23Years

Notable Signals

long arc increasecomputed index

Black-capped Vireo has surged in Central Mixed Grass Prairie: up 439% on the route-weighted index since 1973.

Forecast

If the recent trend holds, Black-capped Vireo in Central Mixed Grass Prairie is projected to stay roughly flat through 2029, near 0.38 (95% range 0.11–0.65). A 5-year backtest shows a typical error of ±203.5%, with 60% of held-out values landing inside the 95% band.

n/aChange by 2029
0.38Projected 2029 index
0.11–0.6595% range
±203.5%Backtest error
19672029
Projection of the recent trend (dashed) with 80/95% bands — a projection, not a prediction. Habitat, climate, and land use are not modeled.
YearProjected index95% low95% high
20250.360.090.63
20260.360.090.63
20270.370.100.64
20280.370.100.65
20290.380.110.65

Routes In Central Mixed Grass Prairie

Routes recording Black-capped Vireo in Central Mixed Grass Prairie.
Wichita Mtns EastOKLAHOMA202022
Wichita Mts WestOKLAHOMA92022
VerdenOKLAHOMA11973
CoopertonOKLAHOMA12024
Pear ValleyTEXAS12024
EldoradoTEXAS12019
SilverTEXAS12024

Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.