BirdAnalyst
Species · BCR 20 · BBS 2025 Release · 1966–2024

Lark Sparrow In Edwards Plateau

All regionsEdwards PlateauGrassland birds

Lark Sparrow in Edwards Plateau has fallen sharply: down 64% on the route-weighted index since 1969.

-64%Since 1969
20Routes In Region
57Years

Notable Signals

long arc declinecomputed index

Lark Sparrow has fallen sharply in Edwards Plateau: down 64% on the route-weighted index since 1969.

Forecast

If the recent trend holds, Lark Sparrow in Edwards Plateau is projected to fall about 42% by 2029 — from 20 in 2024 to a central estimate of 11 (95% range 0.00–29). A 5-year backtest shows a typical error of ±35.4%, with 100% of held-out values landing inside the 95% band.

-42%Change by 2029
11Projected 2029 index
0.00–2995% range
±35.4%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
2025140.0031
2026130.0030
2027130.0030
2028120.0029
2029110.0029

Routes In Edwards Plateau

Routes recording Lark Sparrow in Edwards Plateau.
Pidcoke 2TEXAS462024
HarperTEXAS342024
San SabaTEXAS302024
Valley SpgsTEXAS272024
UtopiaTEXAS262024
Allen CreekTEXAS222024
RockspringTEXAS222024
LeakeyTEXAS212024
KempnerTEXAS202024
ManorTEXAS172024
GeorgetownTEXAS161985
AdamsvilleTEXAS152024
Dripping SpgTEXAS122024
FitzhughTEXAS111983
BoerneTEXAS82024
PidcokeTEXAS82017
MontellTEXAS72024
Indian MtnTEXAS62024
Prairie Mtn.TEXAS32024
LeanderTEXAS22006

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