BirdAnalyst
Species · South Dakota · BBS 2025 Release · 1966–2024

Clay-colored Sparrow Population Trend in South Dakota

All statesGeneralists

Clay-colored Sparrow in South Dakota has risen sharply: up 66% on the route-weighted index since 1969.

+66%Since 1969
29Routes In State
55Years

Notable Clay-colored Sparrow Trends in South Dakota

long arc increasecomputed index

Clay-colored Sparrow has risen sharply in South Dakota: up 66% on the route-weighted index since 1969.

Clay-colored Sparrow Population Forecast in South Dakota

If the recent trend holds, Clay-colored Sparrow in South Dakota is projected to rise about 66% by 2029 — from 1.2 in 2024 to a central estimate of 2.0 (95% range 0.95–3.1). A 5-year backtest shows a typical error of ±20.6%, with 100% of held-out values landing inside the 95% band.

+66%Change by 2029
2.0Projected 2029 index
0.95–3.195% range
±20.6%Backtest error
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 index95% low95% high
20251.90.833.0
20261.90.863.0
20272.00.893.1
20282.00.923.1
20292.00.953.1

Clay-colored Sparrow Survey Routes in South Dakota

Routes recording Clay-colored Sparrow in South Dakota.
Eagle Butte3420152011
Wilmot1720241967
Britton1320231971
Gettysburg920231994
Raymond620211968
Veblen620231967
Turton620242017
Harding520142014
Ardmore419931993
Lane 2320132008
Howard220171973
Chamberlain220051968
Volga220242012
Forbes220241967
Lennox120231968
Tripp120102007
White Lake120082008
Roswell120101967
Broadland120092009
Crow Creek120221967
Ft Thompson119691969
Conde119691967
Long Lake120181967
Laplant119901990
Volunteer120122011

Clay-colored Sparrow Population Trend in Other States

coloradoillinoisindianaiowamainemichiganminnesotamontananebraskanew-yorknorth-dakotapennsylvaniautahwashingtonwisconsinwyoming

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