BirdAnalyst
Species · BCR 25 · BBS 2025 Release · 1966–2024

Lark Sparrow In West Gulf Coastal Plain / Ouachitas

All regionsWest Gulf Coastal Plain / OuachitasGrassland birds

Lark Sparrow in West Gulf Coastal Plain / Ouachitas has collapsed: down 84% on the route-weighted index since 1969.

-84%Since 1969
68Routes In Region
57Years

Notable Signals

long arc declinecomputed index

Lark Sparrow has collapsed in West Gulf Coastal Plain / Ouachitas: down 84% on the route-weighted index since 1969.

Forecast

If the recent trend holds, Lark Sparrow in West Gulf Coastal Plain / Ouachitas is projected to fall about 93% by 2029 — from 0.71 in 2024 to a central estimate of 0.05 (95% range 0.00–1.2). A 5-year backtest shows a typical error of ±49.6%, with 100% of held-out values landing inside the 95% band.

-93%Change by 2029
0.05Projected 2029 index
0.00–1.295% range
±49.6%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
20250.270.001.4
20260.210.001.4
20270.160.001.3
20280.100.001.3
20290.050.001.2

Routes In West Gulf Coastal Plain / Ouachitas

Routes recording Lark Sparrow in West Gulf Coastal Plain / Ouachitas.
ChandlerTEXAS252004
PhillipsOKLAHOMA222008
IndianolaOKLAHOMA92024
SandbluffOKLAHOMA91995
AthensTEXAS82024
Big CedarOKLAHOMA62024
CrossroadsTEXAS62019
MatoyOKLAHOMA52000
PocolaOKLAHOMA52015
Town BluffTEXAS51990
Chandler 2TEXAS52024
SmyrnaTEXAS52010
FillmoreLOUISIANA41970
PoyenARKANSAS32005
PushmatahaOKLAHOMA32023
RamseyARKANSAS21990
HopeARKANSAS21977
MassardARKANSAS22014
PrincetonARKANSAS22021
Hatfield 2ARKANSAS22023
ManyLOUISIANA21990
LinvilleLOUISIANA21999
BlancoOKLAHOMA22003
GoodwaterOKLAHOMA22019
BethelOKLAHOMA22023

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