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

Long-billed Thrasher In Tamaulipan Brushlands

All regionsTamaulipan BrushlandsGeneralists

Long-billed Thrasher in Tamaulipan Brushlands has surged: up 707% on the route-weighted index since 1970.

+707%Since 1970
28Routes In Region
55Years

Notable Signals

long arc increasecomputed index

Long-billed Thrasher has surged in Tamaulipan Brushlands: up 707% on the route-weighted index since 1970.

Forecast

If the recent trend holds, Long-billed Thrasher in Tamaulipan Brushlands is projected to fall about 28% by 2029 — from 3.3 in 2024 to a central estimate of 2.4 (95% range 1.2–3.5). A 5-year backtest shows a typical error of ±37.6%, with 40% of held-out values landing inside the 95% band.

-28%Change by 2029
2.4Projected 2029 index
1.2–3.595% range
±37.6%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
20252.21.13.4
20262.31.13.4
20272.31.23.5
20282.31.23.5
20292.41.23.5

Routes In Tamaulipan Brushlands

Routes recording Long-billed Thrasher in Tamaulipan Brushlands.
George WestTEXAS122024
RachalTEXAS82023
SejitaTEXAS72024
KingsvilleTEXAS62024
RandadoTEXAS42024
EncinalTEXAS42010
GuerraTEXAS42018
LaredoTEXAS42023
HondoTEXAS32024
El IndioTEXAS31999
RaymondvilleTEXAS32024
ZapataTEXAS21982
Catarina 2TEXAS22017
DilleyTEXAS22024
Catarina 3TEXAS22023
Agua NuevaTEXAS12023
Mirando CityTEXAS12024
San YgnacioTEXAS11977
CatarinaTEXAS12010
La PryorTEXAS12001
El SauzTEXAS12010
Encinal 2TEXAS12024
ProgresoTEXAS12006
MillettTEXAS12010
Pedro CreekTEXAS12003

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