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

House Finch In Tamaulipan Brushlands

All regionsTamaulipan BrushlandsGeneralists

House Finch in Tamaulipan Brushlands has surged: up 818% on the route-weighted index since 1970.

+818%Since 1970
19Routes In Region
50Years

Notable Signals

long arc increasecomputed index

House Finch has surged in Tamaulipan Brushlands: up 818% on the route-weighted index since 1970.

Forecast

If the recent trend holds, House Finch in Tamaulipan Brushlands is projected to fall about 40% by 2029 — from 3.8 in 2024 to a central estimate of 2.2 (95% range 0.00–5.7). A 5-year backtest shows a typical error of ±138.3%, with 100% of held-out values landing inside the 95% band.

-40%Change by 2029
2.2Projected 2029 index
0.00–5.795% range
±138.3%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
20252.10.005.5
20262.10.005.6
20272.20.005.6
20282.20.005.6
20292.20.005.7

Routes In Tamaulipan Brushlands

Routes recording House Finch in Tamaulipan Brushlands.
Mirando CityTEXAS172024
HondoTEXAS152024
La PryorTEXAS92017
MillettTEXAS72012
Catarina 3TEXAS62024
Pedro CreekTEXAS62005
Agua NuevaTEXAS42007
George WestTEXAS42024
RandadoTEXAS32022
Catarina 2TEXAS32017
LaredoTEXAS32016
Millett 2TEXAS22024
KingsvilleTEXAS12007
EncinalTEXAS12010
CatarinaTEXAS12004
El IndioTEXAS12001
DilleyTEXAS12024
Encinal 2TEXAS12019
Cavasara Cr.TEXAS12023

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