BirdAnalyst
Species · BCR 17 · BBS 2025 Release · 1966–2024

Bald Eagle In Badlands and Prairies

All regionsBadlands and PrairiesGeneralists

Bald Eagle in Badlands and Prairies has surged: up 366% on the route-weighted index since 1984.

+366%Since 1984
41Routes In Region
28Years

Notable Signals

long arc increasecomputed index

Bald Eagle has surged in Badlands and Prairies: up 366% on the route-weighted index since 1984.

Forecast

If the recent trend holds, Bald Eagle in Badlands and Prairies is projected to fall about 25% by 2029 — from 0.17 in 2024 to a central estimate of 0.13 (95% range 0.03–0.23). A 5-year backtest shows a typical error of ±33.9%, with 80% of held-out values landing inside the 95% band.

-25%Change by 2029
0.13Projected 2029 index
0.03–0.2395% range
±33.9%Backtest error
19712029
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
20250.120.020.22
20260.120.020.22
20270.120.020.22
20280.130.030.23
20290.130.030.23

Routes In Badlands and Prairies

Routes recording Bald Eagle in Badlands and Prairies.
KayceeWYOMING42024
ForsythMONTANA32023
HighwoodMONTANA22023
ZapNORTH-DAKOTA22024
Glen UllinNORTH-DAKOTA22017
DaytonWYOMING22023
Two DotMONTANA12024
IngomarMONTANA12016
Reed PointMONTANA12018
St XavierMONTANA12010
BrandenbergMONTANA12019
PowdervilleMONTANA12017
AlbionMONTANA12024
Flatwillow 2MONTANA12022
St Xavier 2MONTANA12023
CusterMONTANA12022
Coleman CouleeMONTANA12018
Miles CityMONTANA12015
Roosevelt PkNORTH-DAKOTA12016
BentleyNORTH-DAKOTA12024
SolenNORTH-DAKOTA12019
RockyfordSOUTH-DAKOTA12023
Ft ThompsonSOUTH-DAKOTA12003
VolunteerSOUTH-DAKOTA12016
Fort PierreSOUTH-DAKOTA12023

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