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

Lesser Scaup In Badlands and Prairies

Lesser Scaup in Badlands and Prairies has edged up: up 23% on the route-weighted index since 1971.

+23%Since 1971
37Routes In Region
45Years

Notable Signals

No notable trend signals for Lesser Scaup in Badlands and Prairies. See the full index history below.

Forecast

If the recent trend holds, Lesser Scaup in Badlands and Prairies is projected to rise about 57% by 2028 — from 0.09 in 2023 to a central estimate of 0.14 (95% range 0.00–0.46). A 5-year backtest shows a typical error of ±83.3%, with 80% of held-out values landing inside the 95% band.

+57%Change by 2028
0.14Projected 2028 index
0.000.4695% range
±83.3%Backtest error
19682028
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
20240.140.000.46
20250.140.000.46
20260.140.000.46
20270.140.000.46
20280.140.000.46

Routes In Badlands and Prairies

Routes recording Lesser Scaup in Badlands and Prairies.
Dunn CenterNORTH-DAKOTA101987
White RiverSOUTH-DAKOTA101997
Two DotMONTANA62017
OwankaSOUTH-DAKOTA61993
HighwoodMONTANA52011
BucknumWYOMING52001
HardingSOUTH-DAKOTA41997
LeroyMONTANA32017
FlatwillowMONTANA31990
IngomarMONTANA32016
Dinosaurs H.M.MONTANA32021
GorhamNORTH-DAKOTA31990
RoyMONTANA22019
BrusettMONTANA21989
JordanMONTANA21987
CircleMONTANA21994
ShawmutMONTANA22023
AlbionMONTANA21993
WinifredMONTANA22023
Coleman CouleeMONTANA22023
Wheat BasinMONTANA22022
Cedar CreekNORTH-DAKOTA22009
BentleyNORTH-DAKOTA22011
OttumwaSOUTH-DAKOTA21997
RevaSOUTH-DAKOTA22019

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