BirdAnalyst
Species · New Mexico · BBS 2025 Release · 1966–2024

Lark Sparrow Population Trend in New Mexico

All statesGrassland birds

Lark Sparrow in New Mexico has surged: up 195% on the route-weighted index since 1970.

+195%Since 1970
83Routes In State
56Years

Notable Lark Sparrow Trends in New Mexico

long arc increasecomputed index

Lark Sparrow has surged in New Mexico: up 195% on the route-weighted index since 1970.

Lark Sparrow Population Forecast in New Mexico

If the recent trend holds, Lark Sparrow in New Mexico is projected to rise about 65% by 2029 — from 7.0 in 2024 to a central estimate of 12 (95% range 7.6–16). A 5-year backtest shows a typical error of ±73.6%, with 0% of held-out values landing inside the 95% band.

+65%Change by 2029
12Projected 2029 index
7.6–1695% range
±73.6%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
2025117.115
2026117.215
2027117.315
2028117.516
2029127.616

Lark Sparrow Survey Routes in New Mexico

Routes recording Lark Sparrow in New Mexico.
Capitan Mtn.5920171993
Mountainair4220241992
Variadero3920221994
La Plata 23420162014
La Plata2920131990
Sabinoso2820211980
Farley2520241979
Pep2420241992
Sedan2320241994
Aztec2319891988
Hobbs2120241994
Capulin1819941993
Grenville1720241968
Farmington1619871975
Tucumcari1619751975
Claunch 21620242001
Cooley Lake1420241968
Lakewood1420211980
Rosebud1420241994
Clovis1420241993
Pinon1420241994
Roswell1320231969
Quemado1319971992
Fence Lake1220241975
Caprock1220241977

Lark Sparrow Population Trend in Other States

alabamaarizonaarkansascaliforniacoloradoidahoillinoisindianaiowakansaskentuckylouisianaminnesotamississippimissourimontananebraskanevadanorth-dakotaohiooklahomaoregonsouth-dakotatennesseetexasutahwashingtonwisconsinwyoming

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