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

Upland Sandpiper Population Trend in Indiana

All statesGrassland birds

Upland Sandpiper in Indiana has fallen sharply: down 65% on the route-weighted index since 1969.

-65%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 →
18Routes 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 →
42YearsYears 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 IndianaNotable 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 declinecomputed 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 fallen sharply in Indiana: down 65% on the route-weighted index since 1969.

Upland Sandpiper Population Forecast in Indiana

If the recent trend holds, Upland Sandpiper in Indiana is projected to fall about 100% by 2029 — from 0.11 in 2024 to a central estimate of 0.00 (95% range 0.00–0.13). A 5-year backtest shows a typical error of ±36.2%, with 100% of held-out values landing inside the 95% band.

-100%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 →
0.00Projected 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 →
0.00–0.1395% 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 →
±36.2%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 Indiana is projected to fall about 100% by 2029 — from 0.11 in 2024 to a central estimate of 0.00 (95% range 0.00–0.13). A 5-year backtest shows a typical error of ±36.2%, with 100% of held-out values landing inside the 95% band.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 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 →
20250.010.000.14
20260.010.000.14
20270.010.000.13
20280.000.000.13
20290.000.000.13

Upland Sandpiper Survey Routes in Indiana

Routes recording Upland Sandpiper in Indiana.
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 →
South Bend619731970
W Lafayette520241982
Galveston220092009
Spencer219741967
Hebron119951973
Knox119891989
Kewanna119921992
Kankakee Sands120172000
Ellis119701966
Fowler120141971
Tipton119801978
Lagrange120112011
Rensselaer120082008
Berne119821977
Jamestown120242024
Sexton120121999
Milroy119671967
Brookville119721967

Upland Sandpiper Population Trend in Other States

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

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