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

Carolina Wren In Tamaulipan Brushlands

All regionsTamaulipan BrushlandsForest birds

Carolina Wren in Tamaulipan Brushlands has risen sharply: up 70% on the route-weighted index since 1976.

+70%Since 1976
10Routes In Region
26Years

Notable Signals

long arc increasecomputed index

Carolina Wren has risen sharply in Tamaulipan Brushlands: up 70% on the route-weighted index since 1976.

Forecast

If the recent trend holds, Carolina Wren in Tamaulipan Brushlands is projected to rise about 100% by 2029 — from 0.08 in 2024 to a central estimate of 0.17 (95% range 0.03–0.30). A 5-year backtest shows a typical error of ±124.1%, with 60% of held-out values landing inside the 95% band.

+100%Change by 2029
0.17Projected 2029 index
0.03–0.3095% range
±124.1%Backtest error
19712029
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
20250.160.030.29
20260.160.030.30
20270.160.030.30
20280.170.030.30
20290.170.030.30

Routes In Tamaulipan Brushlands

Routes recording Carolina Wren in Tamaulipan Brushlands.
RachalTEXAS11996
ZapataTEXAS11976
KingsvilleTEXAS11993
George WestTEXAS12022
La PryorTEXAS11971
HondoTEXAS12024
Catarina 2TEXAS12017
Encinal 2TEXAS12014
Catarina 3TEXAS12022
Millett 2TEXAS12015

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