BirdAnalyst
Species · BCR 21 · BBS 2025 Release · 1966–2024

Lark Sparrow In Oaks and Prairies

All regionsOaks and PrairiesGrassland birds

Lark Sparrow in Oaks and Prairies has fallen sharply: down 73% on the route-weighted index since 1969.

-73%Since 1969
74Routes In Region
57Years

Notable Signals

long arc declinecomputed index

Lark Sparrow has fallen sharply in Oaks and Prairies: down 73% on the route-weighted index since 1969.

Forecast

If the recent trend holds, Lark Sparrow in Oaks and Prairies is projected to fall about 38% by 2029 — from 8.1 in 2024 to a central estimate of 5.0 (95% range 0.00–14). A 5-year backtest shows a typical error of ±29.1%, with 100% of held-out values landing inside the 95% band.

-38%Change by 2029
5.0Projected 2029 index
0.00–1495% range
±29.1%Backtest error
19672029
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
20256.00.0015
20265.70.0015
20275.50.0015
20285.30.0015
20295.00.0014

Routes In Oaks and Prairies

Routes recording Lark Sparrow in Oaks and Prairies.
OlneyTEXAS382024
Whit Mtn.TEXAS342019
MegargelTEXAS282024
GrafordTEXAS272019
OakwoodTEXAS251995
AlbanyTEXAS242024
SeldenTEXAS222024
CottonwoodTEXAS222024
HobsonTEXAS212024
DuranTEXAS211999
BarnsdallOKLAHOMA141977
Arenosa CrkTEXAS142024
E GeorgetownTEXAS141979
Three RiversTEXAS142024
Mill CreekOKLAHOMA132018
DuncanOKLAHOMA122024
GreenvilleTEXAS122024
LocoOKLAHOMA101985
MuldoonTEXAS102024
Glen RoseTEXAS102024
Oak Grove 2TEXAS102024
Blue RidgeTEXAS102024
WeatherfordTEXAS92024
SadlerTEXAS92024
CayugaTEXAS92024

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