Species · BCR 18 · BBS 2025 Release · 1966–2024

White-faced Ibis In Shortgrass Prairie

White-faced Ibis in Shortgrass Prairie has collapsed: down 87% on the route-weighted index since 1995.

-87%Since 1995
24Routes In Region
27Years

Notable Signals

long arc declinecomputed index

White-faced Ibis has collapsed in Shortgrass Prairie: down 87% on the route-weighted index since 1995.

Forecast

If the recent trend holds, White-faced Ibis in Shortgrass Prairie is projected to stay roughly flat through 2029, near 0.21 (95% range 0.00–0.89). A 5-year backtest shows a typical error of ±1637.5%, with 100% of held-out values landing inside the 95% band.

n/aChange by 2029
0.21Projected 2029 index
0.000.8995% range
±1637.5%Backtest error
19862029
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
20250.220.000.90
20260.220.000.90
20270.210.000.89
20280.210.000.89
20290.210.000.89

Routes In Shortgrass Prairie

Routes recording White-faced Ibis in Shortgrass Prairie.
GruverTEXAS152007
Doyle Bridge 2COLORADO121999
PlymellKANSAS112001
PantexTEXAS102016
WakaTEXAS102016
KiowaCOLORADO92000
HudsonCOLORADO82012
ClovisNEW-MEXICO82013
TenmileTEXAS72019
PanhandleTEXAS62016
Fort MorganCOLORADO52001
JulesburgCOLORADO52021
ClaytonvilleTEXAS42019
NeegrandeCOLORADO32018
FlaglerCOLORADO32012
CircleTEXAS22017
FloydadaTEXAS22017
DoughertyTEXAS22022
EdisonCOLORADO12023
Arsenal 2COLORADO12022
Murray LakeNEBRASKA12003
Cooley LakeNEW-MEXICO12013
PostTEXAS12012
LingleWYOMING12024

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