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

Upland Sandpiper In Badlands and Prairies

All regionsBadlands and PrairiesGrassland birds

Upland Sandpiper in Badlands and Prairies has increased: up 35% on the route-weighted index since 1969.

+35%Since 1969TrendPercent 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 →
113Routes In RegionSurvey routesHow many standard-protocol BBS routes contributed counts. More routes means a steadier, better-sampled index; very thin coverage is suppressed.Full methodology →
57YearsYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →

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

No notable trend signals for Upland Sandpiper in Badlands and Prairies. See the full index history below.

Forecast

If the recent trend holds, Upland Sandpiper in Badlands and Prairies is projected to rise about 32% by 2029 — from 8.3 in 2024 to a central estimate of 11 (95% range 5.7–16). A 5-year backtest shows a typical error of ±24.1%, with 100% of held-out values landing inside the 95% band.

+32%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 →
11Projected 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 →
5.7–1695% 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 →
±24.1%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 Badlands and Prairies is projected to rise about 32% by 2029 — from 8.3 in 2024 to a central estimate of 11 (95% range 5.7–16). A 5-year backtest shows a typical error of ±24.1%, with 100% of held-out values landing inside the 95% band.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 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 →
2025115.416
2026115.516
2027115.616
2028115.716
2029115.716

Routes In Badlands and Prairies

Routes recording Upland Sandpiper in Badlands and Prairies.
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 →
LacreekSOUTH-DAKOTA582023
Fort PierreSOUTH-DAKOTA522024
HayesSOUTH-DAKOTA512024
SolenNORTH-DAKOTA452024
LocateMONTANA422024
Ft YatesNORTH-DAKOTA422004
OttumwaSOUTH-DAKOTA412022
LaplantSOUTH-DAKOTA402015
IsabelSOUTH-DAKOTA402015
Cedar PassSOUTH-DAKOTA372023
SavageMONTANA352021
OwankaSOUTH-DAKOTA302022
ZapNORTH-DAKOTA292024
LodgepoleSOUTH-DAKOTA282024
Eagle ButteSOUTH-DAKOTA282015
Ft ThompsonSOUTH-DAKOTA262011
Railroad ButteSOUTH-DAKOTA262022
RosebudSOUTH-DAKOTA252011
VolunteerSOUTH-DAKOTA232019
MaurineSOUTH-DAKOTA232024
HardingSOUTH-DAKOTA222019
AlbionMONTANA212024
CrookstonNEBRASKA212024
Glen UllinNORTH-DAKOTA212022
Hehn DrawMONTANA202024

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