BirdAnalyst
Species · South Dakota · BBS 2025 Release · 1966–2024

Marbled Godwit Population Trend in South Dakota

All statesShorebirds

Marbled Godwit in South Dakota has increased: up 39% on the route-weighted index since 1969.

+39%Since 1969
38Routes In State
57Years

Notable Marbled Godwit Trends in South Dakota

No notable trend signals for Marbled Godwit in South Dakota. See the full index history below.

Marbled Godwit Population Forecast in South Dakota

If the recent trend holds, Marbled Godwit in South Dakota is projected to rise about 205% by 2029 — from 0.36 in 2024 to a central estimate of 1.1 (95% range 0.17–2.1). A 5-year backtest shows a typical error of ±67.7%, with 80% of held-out values landing inside the 95% band.

+205%Change by 2029
1.1Projected 2029 index
0.17–2.195% range
±67.7%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
20251.10.112.0
20261.10.122.0
20271.10.142.0
20281.10.152.0
20291.10.172.1

Marbled Godwit Survey Routes in South Dakota

Routes recording Marbled Godwit in South Dakota.
Isabel1820152009
Ottumwa1520221968
Laplant1220151999
Gorman1120101979
White Lake720111967
Fort Pierre720231972
Harding620172010
Lodgepole620241999
Chamberlain520052005
Raymond520211967
Gettysburg520231971
Long Lake420191967
Forbes320191967
Conde319681968
Maurine320232013
Marcus320132001
Lacreek320231991
Owanka220122012
Railroad Butte220182018
Lennox120002000
Pioneer120032003
Cottonwood120162016
Volga120122006
Broadland120131989
Lane119991977

Marbled Godwit Population Trend in Other States

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