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

Black-crested Titmouse In Tamaulipan Brushlands

Black-crested Titmouse in Tamaulipan Brushlands has surged: up 385% on the route-weighted index since 1969.

+385%Since 1969
27Routes In Region
57Years

Notable Signals

long arc increasecomputed index

Black-crested Titmouse has surged in Tamaulipan Brushlands: up 385% on the route-weighted index since 1969.

Forecast

If the recent trend holds, Black-crested Titmouse in Tamaulipan Brushlands is projected to fall about 33% by 2029 — from 5.3 in 2024 to a central estimate of 3.5 (95% range 1.7–5.3). A 5-year backtest shows a typical error of ±45.7%, with 0% of held-out values landing inside the 95% band.

-33%Change by 2029
3.5Projected 2029 index
1.75.395% range
±45.7%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
20253.31.55.1
20263.41.65.2
20273.41.65.2
20283.51.75.2
20293.51.75.3

Routes In Tamaulipan Brushlands

Routes recording Black-crested Titmouse in Tamaulipan Brushlands.
George WestTEXAS182024
HondoTEXAS172024
SejitaTEXAS112024
Agua NuevaTEXAS102023
RachalTEXAS82023
KingsvilleTEXAS72024
Cavasara Cr.TEXAS72013
San YgnacioTEXAS61985
Millett 2TEXAS42024
ZapataTEXAS31987
Mirando CityTEXAS32023
DilleyTEXAS32024
Encinal 2TEXAS32023
EncinalTEXAS22009
La PryorTEXAS22005
El SauzTEXAS22023
Catarina 2TEXAS22017
Catarina 3TEXAS22024
HeidelbergTEXAS22022
RandadoTEXAS12023
CatarinaTEXAS12009
El IndioTEXAS12001
RaymondvilleTEXAS12024
GuerraTEXAS12023
ProgresoTEXAS12005

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