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Species · Texas · BBS 2025 Release · 1966–2024

White-faced Ibis Population Trend in Texas

All statesWetland birds

White-faced Ibis in Texas has collapsed: down 86% on the route-weighted index since 1969.

-86%Since 1969
48Routes In State
57Years

Notable White-faced Ibis Trends in Texas

long arc declinecomputed index

White-faced Ibis has collapsed in Texas: down 86% on the route-weighted index since 1969.

White-faced Ibis Population Forecast in Texas

If the recent trend holds, White-faced Ibis in Texas is projected to stay roughly flat through 2029, near 0.39 (95% range 0.00–3.5). A 5-year backtest shows a typical error of ±92.4%, with 100% of held-out values landing inside the 95% band.

-5%Change by 2029
0.39Projected 2029 index
0.00–3.595% range
±92.4%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
20250.570.003.7
20260.530.003.6
20270.480.003.6
20280.440.003.5
20290.390.003.5

White-faced Ibis Survey Routes in Texas

Routes recording White-faced Ibis in Texas.
Winnie4520241967
San Pedro4319991998
Alexander St2119981998
Gruver1520072007
Loyola Beach 21420212010
Heidelberg1420222013
Progreso1120091994
Moon Lake1120111996
Pantex1020161999
Waka1020161986
Chinquapin920211995
Loyola Beach820081994
Goliad Prairie720132013
Bayside 2720042004
Tenmile720192019
Katy620241969
Carlos620242009
Panhandle620161999
Kingsville520111982
Danbury520221967
New Waverly519741974
Lag Atascosa420171969
Petronila420151968
Oak Grove419871987
Claytonville420192015

White-faced Ibis Population Trend in Other States

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