BirdAnalyst
Species · Wyoming · BBS 2025 Release · 1966–2024

Upland Sandpiper Population Trend in Wyoming

All statesGrassland birds

Upland Sandpiper in Wyoming has surged: up 331% on the route-weighted index since 1980.

+331%Since 1980TrendPercent change in the route-weighted abundance index between a smoothed baseline window and the most recent one. It tracks direction, not absolute population.Full methodology →
39Routes In StateSurvey routesHow many standard-protocol BBS routes contributed counts. More routes means a steadier, better-sampled index; very thin coverage is suppressed.Full methodology →
45YearsYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →

Notable Upland Sandpiper Trends in WyomingNotable signalsLong-arc shifts the engine flags automatically — sustained declines or increases large enough to stand out from year-to-year noise.Full methodology →

long arc increasecomputed indexTrend sourceWhether the figure is our own computed route-weighted index or an official USGS modeled estimate. The current build labels every trend as computed.Full methodology →

Upland Sandpiper has surged in Wyoming: up 331% on the route-weighted index since 1980.

Upland Sandpiper Population Forecast in Wyoming

If the recent trend holds, Upland Sandpiper in Wyoming is projected to rise about 17% by 2029 — from 0.75 in 2024 to a central estimate of 0.88 (95% range 0.54–1.2). A 5-year backtest shows a typical error of ±24.9%, with 80% of held-out values landing inside the 95% band.

+17%Change by 2029TrendPercent change in the route-weighted abundance index between a smoothed baseline window and the most recent one. It tracks direction, not absolute population.Full methodology →
0.88Projected 2029 indexProjected indexThe central forecast of the abundance index if the recent trend continues. A projection of the current trajectory, not a prediction.Full methodology →
0.54–1.295% range95% rangeThe 95% uncertainty band around the projection at the forecast horizon. The true value should land inside it most of the time.Full methodology →
±24.9%Backtest errorBacktest errorTypical error when we hold out the most recent years, forecast them, and compare to what actually happened. Lower means a more trustworthy projection.Full methodology →
If the recent trend holds, Upland Sandpiper in Wyoming is projected to rise about 17% by 2029 — from 0.75 in 2024 to a central estimate of 0.88 (95% range 0.54–1.2). A 5-year backtest shows a typical error of ±24.9%, with 80% of held-out values landing inside the 95% band.19682029
Projection of the recent trend (dashed) with 80/95% bands — a projection, not a prediction. Habitat, climate, and land use are not modeled.
YearProjected indexProjected indexThe central forecast of the abundance index if the recent trend continues. A projection of the current trajectory, not a prediction.Full methodology →95% low95% rangeThe 95% uncertainty band around the projection at the forecast horizon. The true value should land inside it most of the time.Full methodology →95% high95% rangeThe 95% uncertainty band around the projection at the forecast horizon. The true value should land inside it most of the time.Full methodology →
20250.830.491.2
20260.840.501.2
20270.850.511.2
20280.870.521.2
20290.880.541.2

Upland Sandpiper Survey Routes in Wyoming

Routes recording Upland Sandpiper in Wyoming.
Recent countThe raw number of individuals recorded on this route in its most recent survey year. A single-route tally, not a trend.Full methodology →
Newcastle1920241990
Upton1220241991
Meadowdale1020191983
Lusk720241984
Soda Well620241980
Shirley619901990
Seely 2420242001
Wyarno320241986
Recluse320231981
Sussex320241991
Raven320242013
Caballa Crk320211992
Shawnee320241988
Otto219741974
Redbird219891968
Rozet220231991
Yoder220241981
Thunder Basin220242024
Seely220001990
Lingle220171980
Rock River220061992
Clarkelen119741974
Sundance120052005
Bill120182018
Brookhurst120122000

Upland Sandpiper Population Trend in Other States

alaskacoloradoillinoisindianaiowakansasmainemarylandmassachusettsmichiganminnesotamissourimontananebraskanew-hampshirenew-jerseynew-yorknorth-dakotaohiooklahomaoregonpennsylvaniarhode-islandsouth-dakotatexasvermontvirginiawest-virginiawisconsin

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