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

Lesser Goldfinch In Tamaulipan Brushlands

All regionsTamaulipan BrushlandsGeneralists

Lesser Goldfinch in Tamaulipan Brushlands has surged: up 187% on the route-weighted index since 1970.

+187%Since 1970
21Routes In Region
48Years

Notable Signals

long arc increasecomputed index

Lesser Goldfinch has surged in Tamaulipan Brushlands: up 187% on the route-weighted index since 1970.

Forecast

If the recent trend holds, Lesser Goldfinch in Tamaulipan Brushlands is projected to fall about 31% by 2029 — from 1.3 in 2024 to a central estimate of 0.92 (95% range 0.26–1.6). A 5-year backtest shows a typical error of ±39.4%, with 100% of held-out values landing inside the 95% band.

-31%Change by 2029
0.92Projected 2029 index
0.26–1.695% range
±39.4%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
20250.870.211.5
20260.880.221.5
20270.890.241.6
20280.910.251.6
20290.920.261.6

Routes In Tamaulipan Brushlands

Routes recording Lesser Goldfinch in Tamaulipan Brushlands.
HondoTEXAS112024
RachalTEXAS52023
RaymondvilleTEXAS52024
Mirando CityTEXAS42014
George WestTEXAS42023
KingsvilleTEXAS32002
RandadoTEXAS22014
El SauzTEXAS22012
ProgresoTEXAS22009
LaredoTEXAS22023
HeidelbergTEXAS22013
Agua NuevaTEXAS12012
EncinalTEXAS12004
CatarinaTEXAS12006
La PryorTEXAS12009
El IndioTEXAS12001
Encinal 2TEXAS12012
SejitaTEXAS12012
MillettTEXAS12012
Pedro CreekTEXAS11996
Cavasara Cr.TEXAS12009

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