BirdAnalyst
Species · BCR 26 · BBS 2025 Release · 1966–2024

White Ibis In Mississippi Alluvial Valley

All regionsMississippi Alluvial ValleyWetland birds

White Ibis in Mississippi Alluvial Valley has risen sharply: up 75% on the route-weighted index since 1970.

+75%Since 1970
39Routes In Region
52Years

Notable Signals

long arc increasecomputed index

White Ibis has risen sharply in Mississippi Alluvial Valley: up 75% on the route-weighted index since 1970.

Forecast

If the recent trend holds, White Ibis in Mississippi Alluvial Valley is projected to rise about 274% by 2029 — from 4.8 in 2024 to a central estimate of 18 (95% range 0.00–39). A 5-year backtest shows a typical error of ±383.9%, with 100% of held-out values landing inside the 95% band.

+274%Change by 2029
18Projected 2029 index
0.00–3995% range
±383.9%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
2025170.0038
2026170.0038
2027170.0038
2028180.0039
2029180.0039

Routes In Mississippi Alluvial Valley

Routes recording White Ibis in Mississippi Alluvial Valley.
KeystoneLOUISIANA2652013
FreetownLOUISIANA492009
Morgan CityLOUISIANA471986
ShawLOUISIANA432024
FloydLOUISIANA352002
MayflowerLOUISIANA342024
RamahLOUISIANA322024
Tchula 2MISSISSIPPI291979
KraemerLOUISIANA282024
RayvilleLOUISIANA251996
TippoMISSISSIPPI251996
MoonMISSISSIPPI212009
Panther Swamp NwrMISSISSIPPI202018
Morgan CityLOUISIANA132022
Tchula 3MISSISSIPPI122024
FrogmoreLOUISIANA102021
TransylvaniaLOUISIANA92003
ConcordLOUISIANA82011
GonzalesLOUISIANA72019
TallahatchieMISSISSIPPI62017
DelhiLOUISIANA52017
GibsonLOUISIANA42015
Tensas NwrLOUISIANA42024
LaroseLOUISIANA31990
EudoraARKANSAS22010

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