Species · Montana · BBS 2025 Release · 1966–2024

Baird's Sparrow Population Trend in Montana

Baird's Sparrow in Montana has risen sharply: up 64% on the route-weighted index since 1971.

+64%Since 1971
54Routes In State
54Years

Notable Baird's Sparrow Trends in Montana

long arc increasecomputed index

Baird's Sparrow has risen sharply in Montana: up 64% on the route-weighted index since 1971.

Baird's Sparrow Population Forecast in Montana

If the recent trend holds, Baird's Sparrow in Montana is projected to stay roughly flat through 2029, near 1.0 (95% range 0.00–2.2). A 5-year backtest shows a typical error of ±29.4%, with 80% of held-out values landing inside the 95% band.

-7%Change by 2029
1.0Projected 2029 index
0.002.295% range
±29.4%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
20250.970.002.2
20260.980.002.2
20270.980.002.2
20280.990.002.2
20291.00.002.2

Baird's Sparrow Survey Routes in Montana

Routes recording Baird's Sparrow in Montana.
Glentana2220242015
Two Dot1420241981
Westby1120242015
Savage920151990
Oswego720241978
Redstone720241983
Heart Butte720192015
Circle520211972
Albion520231982
Ester Lake520242015
Saco520242015
Whitlash520242018
Cleveland420241979
Winnett420182018
Hehn Draw420222022
Harlem320181980
Brusett320182018
Brandenberg319911970
Shelby320242015
Lambert320222022
Coleman Coulee320192017
Virgelle220191980
Augusta220151977
Locate220221982
Laurel219801980

Baird's Sparrow Population Trend in Other States

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