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

Horned Lark In Tamaulipan Brushlands

All regionsTamaulipan BrushlandsGrassland birds

Horned Lark in Tamaulipan Brushlands has surged: up 154% on the route-weighted index since 1970.

+154%Since 1970
10Routes In Region
53Years

Notable Signals

long arc increasecomputed index

Horned Lark has surged in Tamaulipan Brushlands: up 154% on the route-weighted index since 1970.

Forecast

If the recent trend holds, Horned Lark in Tamaulipan Brushlands is projected to rise about 109% by 2029 — from 2.9 in 2024 to a central estimate of 6.1 (95% range 0.00–13). A 5-year backtest shows a typical error of ±249%, with 100% of held-out values landing inside the 95% band.

+109%Change by 2029
6.1Projected 2029 index
0.00–1395% range
±249%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
20255.90.0013
20265.90.0013
20276.00.0013
20286.00.0013
20296.10.0013

Routes In Tamaulipan Brushlands

Routes recording Horned Lark in Tamaulipan Brushlands.
HeidelbergTEXAS222024
RaymondvilleTEXAS122024
HondoTEXAS22007
RachalTEXAS11978
Agua NuevaTEXAS12013
KingsvilleTEXAS12024
El IndioTEXAS11971
El SauzTEXAS12012
ProgresoTEXAS12011
SejitaTEXAS12021

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