BirdAnalyst
Species · BCR 11 · BBS 2025 Release · 1966–2024

White-faced Ibis In Prairie Potholes

All regionsPrairie PotholesWetland birds

White-faced Ibis in Prairie Potholes has surged: up 21× on the route-weighted index since 2000.

21×Since 2000
24Routes In Region
21Years

Notable Signals

long arc increasecomputed index

White-faced Ibis has surged in Prairie Potholes: up 21× on the route-weighted index since 2000.

Forecast

If the recent trend holds, White-faced Ibis in Prairie Potholes is projected to stay roughly flat through 2029, near 0.49 (95% range 0.17–0.81). A 5-year backtest shows a typical error of ±41.9%, with 80% of held-out values landing inside the 95% band.

-3%Change by 2029
0.49Projected 2029 index
0.17–0.8195% range
±41.9%Backtest error
19982029
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
20250.420.100.74
20260.440.120.76
20270.460.140.78
20280.470.150.79
20290.490.170.81

Routes In Prairie Potholes

Routes recording White-faced Ibis in Prairie Potholes.
White LakeSOUTH-DAKOTA182008
StanleyNORTH-DAKOTA142024
Great FallsMONTANA122019
Horsehead LkNORTH-DAKOTA102024
TurtonSOUTH-DAKOTA72007
Wild RoseNORTH-DAKOTA52024
BuchananNORTH-DAKOTA42023
Lake GeorgeNORTH-DAKOTA32021
Sheyenne LkNORTH-DAKOTA32024
Turtle MtnsNORTH-DAKOTA32016
Crow CreekSOUTH-DAKOTA32023
Ester LakeMONTANA22019
FormanNORTH-DAKOTA22023
WimbledonNORTH-DAKOTA22021
WebsterNORTH-DAKOTA22014
CooperstownNORTH-DAKOTA12021
NilesNORTH-DAKOTA12024
DenbighNORTH-DAKOTA12024
BraddockNORTH-DAKOTA12019
MontpelierNORTH-DAKOTA12024
BroadlandSOUTH-DAKOTA12013
BrittonSOUTH-DAKOTA12021
ForbesSOUTH-DAKOTA12024
GettysburgSOUTH-DAKOTA12022

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