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

White Ibis Population Trend in Texas

All statesWetland birds

White Ibis in Texas has surged: up 980% on the route-weighted index since 1970.

+980%Since 1970
48Routes In State
54Years

Notable White Ibis Trends in Texas

long arc increasecomputed index

White Ibis has surged in Texas: up 980% on the route-weighted index since 1970.

White Ibis Population Forecast in Texas

If the recent trend holds, White Ibis in Texas is projected to rise about 183% by 2029 — from 1.4 in 2024 to a central estimate of 3.8 (95% range 0.00–8.7). A 5-year backtest shows a typical error of ±92.6%, with 100% of held-out values landing inside the 95% band.

+183%Change by 2029
3.8Projected 2029 index
0.00–8.795% range
±92.6%Backtest error
19682029
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
20253.70.008.6
20263.70.008.6
20273.70.008.6
20283.80.008.7
20293.80.008.7

White Ibis Survey Routes in Texas

Routes recording White Ibis in Texas.
Mcfaddin8620112007
Cayuga4520242004
Union Hill4020192019
Winnie3620231986
Indianola2920241977
Moon Lake 22520242012
Livingston2520001986
Katy2320241985
Massey Lake2320241976
Carlos2220241997
L. Atascosa Nwr1620231998
Athens1520161988
Loyola Beach1320071998
Mount Zion1120241994
San Pedro1119981998
Loyola Beach 21020222010
Oak Grove 2920222021
Hinkles Fer920241968
Port Acres820241995
Town Bluff720241998
Morton720232023
Fred720182018
Moon Lake620111994
Oak Grove519871987
Danbury420241977

White Ibis Population Trend in Other States

alabamaarkansasfloridageorgialouisianamarylandmississippinew-jerseynorth-carolinaoklahomasouth-carolinavirginia

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