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

Clay-colored Sparrow Population Trend in Michigan

All statesGeneralists

Clay-colored Sparrow in Michigan has edged up: up 11% on the route-weighted index since 1968.

+11%Since 1968
49Routes In State
58Years

Notable Clay-colored Sparrow Trends in Michigan

No notable trend signals for Clay-colored Sparrow in Michigan. See the full index history below.

Clay-colored Sparrow Population Forecast in Michigan

If the recent trend holds, Clay-colored Sparrow in Michigan is projected to rise about 20% by 2029 — from 0.32 in 2024 to a central estimate of 0.38 (95% range 0.11–0.66). A 5-year backtest shows a typical error of ±139.4%, with 60% of held-out values landing inside the 95% band.

+20%Change by 2029
0.38Projected 2029 index
0.11–0.6695% range
±139.4%Backtest error
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 index95% low95% high
20250.380.100.65
20260.380.100.65
20270.380.110.65
20280.380.110.66
20290.380.110.66

Clay-colored Sparrow Survey Routes in Michigan

Routes recording Clay-colored Sparrow in Michigan.
Pickford1420241974
Herron620162011
Wilson520101966
Cathro420161996
Bergland220111985
Riggsville220171972
Ola219951995
Harrietta120091990
Ontonagon120191985
Marenisco120171989
Bootjack120231967
Ned Lake120221986
Herman120151991
Crystal Fls120231991
Gibbs City120011982
Maple Grove120231971
Ishpeming120231980
Brocky Lake120141980
Cunard120211973
Shingleton120221967
Creighton120031980
Isabella120121967
Bear Lake120241993
Sidnaw120141999
Lawrence120091975

Clay-colored Sparrow Population Trend in Other States

coloradoillinoisindianaiowamaineminnesotamontananebraskanew-yorknorth-dakotapennsylvaniasouth-dakotautahwashingtonwisconsinwyoming

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