BirdAnalyst
Species · Virginia · BBS 2025 Release · 1966–2024

Glossy Ibis Population Trend in Virginia

All statesWetland birds

Glossy Ibis in Virginia has surged: up 20× on the route-weighted index since 1979.

20×Since 1979
4Routes In State
29Years

Notable Glossy Ibis Trends in Virginia

long arc increasecomputed index

Glossy Ibis has surged in Virginia: up 20× on the route-weighted index since 1979.

Glossy Ibis Population Forecast in Virginia

If the recent trend holds, Glossy Ibis in Virginia is projected to stay roughly flat through 2029, near 1.1 (95% range 0.00–3.5). A 5-year backtest shows a typical error of ±1618%, with 80% of held-out values landing inside the 95% band.

n/aChange by 2029
1.1Projected 2029 index
0.00–3.595% range
±1618%Backtest error
19692029
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
20251.10.003.4
20261.10.003.4
20271.10.003.4
20281.10.003.5
20291.10.003.5

Glossy Ibis Survey Routes in Virginia

Routes recording Glossy Ibis in Virginia.
Cornland219951995
Quinby119791969
Chincoteag W120241992
Cape Charles120171992

Glossy Ibis Population Trend in Other States

alabamaconnecticutdelawarefloridageorgialouisianamainemarylandmassachusettsnew-hampshirenew-jerseynew-yorknorth-carolinarhode-islandsouth-carolinasouth-dakotatexas

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