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

Marbled Godwit In Badlands and Prairies

All regionsBadlands and PrairiesShorebirds

Marbled Godwit in Badlands and Prairies has surged: up 687% on the route-weighted index since 1969.

+687%Since 1969
55Routes In Region
57Years

Notable Signals

long arc increasecomputed index

Marbled Godwit has surged in Badlands and Prairies: up 687% on the route-weighted index since 1969.

Forecast

If the recent trend holds, Marbled Godwit in Badlands and Prairies is projected to stay roughly flat through 2029, near 0.96 (95% range 0.56–1.4). A 5-year backtest shows a typical error of ±34%, with 40% of held-out values landing inside the 95% band.

+4%Change by 2029
0.96Projected 2029 index
0.56–1.495% range
±34%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
20250.900.491.3
20260.910.511.3
20270.930.531.3
20280.950.541.3
20290.960.561.4

Routes In Badlands and Prairies

Routes recording Marbled Godwit in Badlands and Prairies.
IsabelSOUTH-DAKOTA182015
OttumwaSOUTH-DAKOTA152022
Flatwillow 2MONTANA132013
BentleyNORTH-DAKOTA122024
LaplantSOUTH-DAKOTA122015
Glen UllinNORTH-DAKOTA112022
BowmanNORTH-DAKOTA92024
Cedar CreekNORTH-DAKOTA82019
CarsonNORTH-DAKOTA72024
Fort PierreSOUTH-DAKOTA72023
Dinosaurs H.M.MONTANA62022
HardingSOUTH-DAKOTA62017
LodgepoleSOUTH-DAKOTA62024
IngomarMONTANA52024
Jordan SouthMONTANA52021
ChamberlainSOUTH-DAKOTA52005
FlatwillowMONTANA42003
LindsayMONTANA42024
DickinsonNORTH-DAKOTA42024
SolenNORTH-DAKOTA42024
WebsterMONTANA32024
Dunn CenterNORTH-DAKOTA32024
MaurineSOUTH-DAKOTA32023
MarcusSOUTH-DAKOTA32013
LacreekSOUTH-DAKOTA32023

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