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

Upland Sandpiper Population Trend in Texas

All statesGrassland birds

Upland Sandpiper in Texas has surged: up 99% on the route-weighted index since 1976.

+99%Since 1976TrendPercent 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 →
16Routes 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 →
23YearsYears 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 TexasNotable 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 Texas: up 99% on the route-weighted index since 1976.

Upland Sandpiper Population Forecast in Texas

If the recent trend holds, Upland Sandpiper in Texas is projected to stay roughly flat through 2022, near 0.04 (95% range 0.00–0.13). A 5-year backtest shows a typical error of ±134.9%, with 100% of held-out values landing inside the 95% band.

n/aChange by 2022TrendPercent 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 →
0.04Projected 2022 indexProjected indexThe central forecast of the abundance index if the recent trend continues. A projection of the current trajectory, not a prediction.Full methodology →
0.00–0.1395% 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 →
±134.9%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 Texas is projected to stay roughly flat through 2022, near 0.04 (95% range 0.00–0.13). A 5-year backtest shows a typical error of ±134.9%, with 100% of held-out values landing inside the 95% band.19692022
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 →
20180.040.000.13
20190.040.000.13
20200.040.000.13
20210.040.000.13
20220.040.000.13

Upland Sandpiper Survey Routes in Texas

Routes recording Upland Sandpiper in Texas.
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 →
Pantex1019861986
Gainesville319911979
Peach Creek219711971
E Georgetown219761976
Waka219961982
Beaver Creek220162016
Charlie220172015
Gruver220102010
Raymondville119771977
Megargel119951994
Olney120101980
Henrietta119931986
Rotan119941994
Weinert119921989
Campbellton119861985
Katy119711969

Upland Sandpiper Population Trend in Other States

alaskacoloradoillinoisindianaiowakansasmainemarylandmassachusettsmichiganminnesotamissourimontananebraskanew-hampshirenew-jerseynew-yorknorth-dakotaohiooklahomaoregonpennsylvaniarhode-islandsouth-dakotavermontvirginiawest-virginiawisconsinwyoming

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