Species · BCR 11 · BBS 2025 Release · 1966–2024

Spotted Sandpiper In Prairie Potholes

Spotted Sandpiper in Prairie Potholes has surged: up 501% on the route-weighted index since 1969.

+501%Since 1969
96Routes In Region
56Years

Notable Signals

long arc increasecomputed index

Spotted Sandpiper has surged in Prairie Potholes: up 501% on the route-weighted index since 1969.

Forecast

If the recent trend holds, Spotted Sandpiper in Prairie Potholes is projected to fall about 22% by 2029 — from 0.47 in 2024 to a central estimate of 0.36 (95% range 0.19–0.53). A 5-year backtest shows a typical error of ±38.9%, with 40% of held-out values landing inside the 95% band.

-22%Change by 2029
0.36Projected 2029 index
0.190.5395% range
±38.9%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
20250.340.170.51
20260.350.180.52
20270.350.180.52
20280.360.190.53
20290.360.190.53

Routes In Prairie Potholes

Routes recording Spotted Sandpiper in Prairie Potholes.
MaynardMINNESOTA121971
EdgeleyNORTH-DAKOTA82024
TracyMINNESOTA62017
BuchananNORTH-DAKOTA62024
FormanNORTH-DAKOTA52024
WestbyMONTANA42019
NilesNORTH-DAKOTA42023
HartlandMINNESOTA32007
NashNORTH-DAKOTA31985
BeltramiMINNESOTA22004
Lake BronsonMINNESOTA22003
SunburstMONTANA22006
MaltaMONTANA21991
WhitlashMONTANA22009
Ester LakeMONTANA22019
EmeradoNORTH-DAKOTA22024
BowesmontNORTH-DAKOTA21973
LakotaNORTH-DAKOTA22009
CarpioNORTH-DAKOTA22023
AbercrombieNORTH-DAKOTA22012
Wild RoseNORTH-DAKOTA22023
Sheyenne LkNORTH-DAKOTA22024
Turtle MtnsNORTH-DAKOTA22014
Lakota 2NORTH-DAKOTA22023
Abercrombie 2NORTH-DAKOTA22014

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