BirdAnalyst
Species · BCR 36 · BBS 2025 Release · 1966–2024

Lark Sparrow In Tamaulipan Brushlands

All regionsTamaulipan BrushlandsGrassland birds

Lark Sparrow in Tamaulipan Brushlands has edged down: down 22% on the route-weighted index since 1969.

-22%Since 1969
28Routes In Region
57Years

Notable Signals

No notable trend signals for Lark Sparrow in Tamaulipan Brushlands. See the full index history below.

Forecast

If the recent trend holds, Lark Sparrow in Tamaulipan Brushlands is projected to fall about 26% by 2029 — from 10 in 2024 to a central estimate of 7.6 (95% range 0.00–15). A 5-year backtest shows a typical error of ±19.1%, with 100% of held-out values landing inside the 95% band.

-26%Change by 2029
7.6Projected 2029 index
0.00–1595% range
±19.1%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
20257.90.2816
20267.90.2016
20277.80.1215
20287.70.0415
20297.60.0015

Routes In Tamaulipan Brushlands

Routes recording Lark Sparrow in Tamaulipan Brushlands.
Pedro CreekTEXAS432005
RaymondvilleTEXAS292024
HondoTEXAS282024
RachalTEXAS212023
Catarina 3TEXAS152024
Cavasara Cr.TEXAS132023
George WestTEXAS122024
El SauzTEXAS122023
ProgresoTEXAS122011
La PryorTEXAS112017
HeidelbergTEXAS112024
Agua NuevaTEXAS92023
EncinalTEXAS92010
ZapataTEXAS71987
Catarina 2TEXAS72017
Millett 2TEXAS72024
DilleyTEXAS62024
Encinal 2TEXAS52024
MillettTEXAS52012
KingsvilleTEXAS42024
GuerraTEXAS42023
LaredoTEXAS42018
Mirando CityTEXAS32024
SejitaTEXAS32024
CatarinaTEXAS22010

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