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

American Wigeon In Badlands and Prairies

All regionsBadlands and PrairiesWaterfowl

American Wigeon in Badlands and Prairies has surged: up 96% on the route-weighted index since 1969.

+96%Since 1969
79Routes In Region
57Years

Notable Signals

long arc increasecomputed index

American Wigeon has surged in Badlands and Prairies: up 96% on the route-weighted index since 1969.

Forecast

If the recent trend holds, American Wigeon in Badlands and Prairies is projected to rise about 82% by 2029 — from 0.40 in 2024 to a central estimate of 0.73 (95% range 0.00–1.6). A 5-year backtest shows a typical error of ±56.3%, with 100% of held-out values landing inside the 95% band.

+82%Change by 2029
0.73Projected 2029 index
0.00–1.695% range
±56.3%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
20250.740.001.6
20260.740.001.6
20270.730.001.6
20280.730.001.6
20290.730.001.6

Routes In Badlands and Prairies

Routes recording American Wigeon in Badlands and Prairies.
Dinosaurs H.M.MONTANA282021
S. PioneerSOUTH-DAKOTA102013
HighlightWYOMING91991
GorhamNORTH-DAKOTA82016
WyarnoWYOMING82019
NatronaWYOMING71992
Two DotMONTANA62024
BrandenbergMONTANA62019
Cedar PassSOUTH-DAKOTA52000
BillWYOMING52000
RiverviewWYOMING52022
HighwoodMONTANA42017
RoyMONTANA42023
ShawmutMONTANA42024
Fort PierreSOUTH-DAKOTA42018
HayesSOUTH-DAKOTA42021
PioneerSOUTH-DAKOTA42021
UptonWYOMING42024
FlatwillowMONTANA31991
IngomarMONTANA32024
Wheat BasinMONTANA32023
TobaccoNORTH-DAKOTA32017
BentleyNORTH-DAKOTA32014
LaplantSOUTH-DAKOTA32011
LodgepoleSOUTH-DAKOTA32019

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