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

Long-billed Curlew In Badlands and Prairies

All regionsBadlands and PrairiesShorebirds

Long-billed Curlew in Badlands and Prairies has surged: up 260% on the route-weighted index since 1969.

+260%Since 1969
76Routes In Region
57Years

Notable Signals

long arc increasecomputed index

Long-billed Curlew has surged in Badlands and Prairies: up 260% on the route-weighted index since 1969.

Forecast

If the recent trend holds, Long-billed Curlew in Badlands and Prairies is projected to fall about 24% by 2029 — from 3.2 in 2024 to a central estimate of 2.4 (95% range 1.3–3.6). A 5-year backtest shows a typical error of ±45.3%, with 20% of held-out values landing inside the 95% band.

-24%Change by 2029
2.4Projected 2029 index
1.3–3.695% range
±45.3%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
20252.31.23.5
20262.41.23.5
20272.41.23.5
20282.41.23.6
20292.41.33.6

Routes In Badlands and Prairies

Routes recording Long-billed Curlew in Badlands and Prairies.
RoundupMONTANA312024
Winifred 2MONTANA242024
Wheat BasinMONTANA222024
ShawmutMONTANA142024
WinifredMONTANA142023
LeroyMONTANA132024
Two DotMONTANA132024
S. PioneerSOUTH-DAKOTA132024
LuskWYOMING122024
Maynard CouleeMONTANA112024
NewcastleWYOMING112024
RoyMONTANA102024
FlatwillowMONTANA102008
WinnettMONTANA92023
PioneerSOUTH-DAKOTA92024
Flatwillow 2MONTANA82023
Jordan SouthMONTANA72024
Oglala Nat. Grass.NEBRASKA72023
Hehn DrawMONTANA62024
Cedar PassSOUTH-DAKOTA62017
RiverviewWYOMING62022
St XavierMONTANA52010
HighwoodMONTANA42023
Reed PointMONTANA42024
LindsayMONTANA42024

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