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Species · Michigan · BBS 2025 Release · 1966–2024

LeConte's Sparrow Population Trend in Michigan

All statesGeneralists

LeConte's Sparrow in Michigan has fallen sharply: down 64% on the route-weighted index since 1971.

-64%Since 1971
9Routes In State
30Years

Notable LeConte's Sparrow Trends in Michigan

long arc declinecomputed index

LeConte's Sparrow has fallen sharply in Michigan: down 64% on the route-weighted index since 1971.

LeConte's Sparrow Population Forecast in Michigan

If the recent trend holds, LeConte's Sparrow in Michigan is projected to fall about 27% by 2029 — from 0.06 in 2024 to a central estimate of 0.05 (95% range 0.00–0.16). A 5-year backtest shows a typical error of ±21.8%, with 100% of held-out values landing inside the 95% band.

-27%Change by 2029
0.05Projected 2029 index
0.00–0.1695% range
±21.8%Backtest error
19682029
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
20250.050.000.17
20260.050.000.16
20270.050.000.16
20280.050.000.16
20290.050.000.16

LeConte's Sparrow Survey Routes in Michigan

Routes recording LeConte's Sparrow in Michigan.
Pickford320241989
Bootjack219711968
Seney Nwr220161992
Ontonagon120192012
Herman119971997
Crystal Fls120102009
Pine River120131992
Maple Grove120131990
Gilchrist119871987

LeConte's Sparrow Population Trend in Other States

minnesotamontananorth-dakotasouth-dakotawisconsin

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