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

Bald Eagle In Prairie Potholes

All regionsPrairie PotholesGeneralists

Bald Eagle in Prairie Potholes has surged: up 974% on the route-weighted index since 1996.

+974%Since 1996
60Routes In Region
26Years

Notable Signals

long arc increasecomputed index

Bald Eagle has surged in Prairie Potholes: up 974% on the route-weighted index since 1996.

Forecast

If the recent trend holds, Bald Eagle in Prairie Potholes is projected to fall about 27% by 2029 — from 0.28 in 2024 to a central estimate of 0.21 (95% range 0.13–0.28). A 5-year backtest shows a typical error of ±35.5%, with 40% of held-out values landing inside the 95% band.

-27%Change by 2029
0.21Projected 2029 index
0.13–0.2895% range
±35.5%Backtest error
19922029
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
20250.180.100.26
20260.190.110.26
20270.190.120.27
20280.200.120.28
20290.210.130.28

Routes In Prairie Potholes

Routes recording Bald Eagle in Prairie Potholes.
FairmontMINNESOTA32021
WorthingtonMINNESOTA22022
FormanNORTH-DAKOTA22024
CooperstownNORTH-DAKOTA22022
BuchananNORTH-DAKOTA22024
BowesmontNORTH-DAKOTA22014
VolgaSOUTH-DAKOTA22024
WilmotSOUTH-DAKOTA22024
VeblenSOUTH-DAKOTA22023
ForbesSOUTH-DAKOTA22017
PantherIOWA12024
WashingtonIOWA12000
KanawhaIOWA12022
MccallsburgIOWA12017
HartlandMINNESOTA12010
HuntleyMINNESOTA12024
ArlingtonMINNESOTA12021
CourtlandMINNESOTA12021
DawsonMINNESOTA12015
AppletonMINNESOTA12024
GluekMINNESOTA12013
ChokioMINNESOTA12024
GlyndonMINNESOTA12024
OkleeMINNESOTA12009
BeltramiMINNESOTA12011

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