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Species · Illinois · BBS 2025 Release · 1966–2024

Upland Sandpiper Population Trend in Illinois

All statesGrassland birds

Upland Sandpiper in Illinois has declined: down 47% on the route-weighted index since 1968.

-47%Since 1968
51Routes In State
54Years

Notable Upland Sandpiper Trends in Illinois

No notable trend signals for Upland Sandpiper in Illinois. See the full index history below.

Upland Sandpiper Population Forecast in Illinois

If the recent trend holds, Upland Sandpiper in Illinois is projected to fall about 60% by 2029 — from 0.32 in 2024 to a central estimate of 0.13 (95% range 0.00–0.49). A 5-year backtest shows a typical error of ±84.7%, with 80% of held-out values landing inside the 95% band.

-60%Change by 2029
0.13Projected 2029 index
0.00–0.4995% range
±84.7%Backtest error
19662029
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
20250.130.000.49
20260.130.000.49
20270.130.000.49
20280.130.000.49
20290.130.000.49

Upland Sandpiper Survey Routes in Illinois

Routes recording Upland Sandpiper in Illinois.
Stillwell920241971
Monticello620241994
Dailey519961967
Pawnee419711967
Waynesville420182005
Buda320231997
Keithsburg320212011
Newark220181970
Williamsfld220011971
Fairbury220241979
Pontiac220161985
Milford220231997
Lake Summerset220182001
Clayton220172017
Gridley220242005
Harristown220172016
Shannon220182007
Le Roy220192019
Guilford119941994
Mill Creek120191970
Holcomb119841982
Atkinson120241966
Geneseo119861986
Putnam120191973
Compton119951991

Upland Sandpiper Population Trend in Other States

alaskacoloradoindianaiowakansasmainemarylandmassachusettsmichiganminnesotamissourimontananebraskanew-hampshirenew-jerseynew-yorknorth-dakotaohiooklahomaoregonpennsylvaniarhode-islandsouth-dakotatexasvermontvirginiawest-virginiawisconsinwyoming

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