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

Lincoln's Sparrow Population Trend in Colorado

All statesGeneralists

Lincoln's Sparrow in Colorado has surged: up 141% on the route-weighted index since 1970.

+141%Since 1970
70Routes In State
56Years

Notable Lincoln's Sparrow Trends in Colorado

long arc increasecomputed index

Lincoln's Sparrow has surged in Colorado: up 141% on the route-weighted index since 1970.

Lincoln's Sparrow Population Forecast in Colorado

If the recent trend holds, Lincoln's Sparrow in Colorado is projected to rise about 55% by 2029 — from 3.0 in 2024 to a central estimate of 4.6 (95% range 3.1–6.2). A 5-year backtest shows a typical error of ±50.9%, with 60% of held-out values landing inside the 95% band.

+55%Change by 2029
4.6Projected 2029 index
3.1–6.295% range
±50.9%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
20254.32.85.9
20264.42.95.9
20274.53.06.0
20284.63.06.1
20294.63.16.2

Lincoln's Sparrow Survey Routes in Colorado

Routes recording Lincoln's Sparrow in Colorado.
Stillwater Pass5120091998
Stillwater Pass 24220242010
Tincup3920241992
Red Cliff3320241989
Buffalo Park3320231992
Ragged Mtn.2820191999
Weston Pass2520001994
Castleton2320241988
Lake City2020031988
Dunckley Pas1720241992
Heeney1720192017
Steamboat L.1520241996
Thomasville1520181992
Lizard Head Pass1220242001
Flattops1120191992
Dolores Riv1020241988
Deadman Rd.920241992
Guanella Pas920241992
Lake City 2920242017
Parlin820231968
Lost Lake820241993
Willow Peak820211988
Como820241994
Moon Pass820241998
Weston Pass 2720242001

Lincoln's Sparrow Population Trend in Other States

alaskaarizonacaliforniaidahomainemichiganminnesotamontananevadanew-hampshirenew-mexiconew-yorkoregonpennsylvaniautahvermontwashingtonwisconsinwyoming

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