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

Northern Mockingbird In Tamaulipan Brushlands

Northern Mockingbird in Tamaulipan Brushlands has declined: down 47% on the route-weighted index since 1969.

-47%Since 1969
28Routes In Region
57Years

Notable Signals

No notable trend signals for Northern Mockingbird in Tamaulipan Brushlands. See the full index history below.

Forecast

If the recent trend holds, Northern Mockingbird in Tamaulipan Brushlands is projected to fall about 29% by 2029 — from 72 in 2024 to a central estimate of 51 (95% range 15–87). A 5-year backtest shows a typical error of ±16.1%, with 100% of held-out values landing inside the 95% band.

-29%Change by 2029
51Projected 2029 index
158795% range
±16.1%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
2025551992
2026541890
2027531789
2028521688
2029511587

Routes In Tamaulipan Brushlands

Routes recording Northern Mockingbird in Tamaulipan Brushlands.
HondoTEXAS1572024
Millett 2TEXAS1272024
MillettTEXAS1032012
Mirando CityTEXAS982024
George WestTEXAS922024
EncinalTEXAS852010
ZapataTEXAS841987
San YgnacioTEXAS841985
Cavasara Cr.TEXAS812023
RaymondvilleTEXAS792024
El SauzTEXAS732023
DilleyTEXAS732024
Catarina 2TEXAS672017
SejitaTEXAS662024
RachalTEXAS582023
ProgresoTEXAS522011
GuerraTEXAS502023
KingsvilleTEXAS492024
Catarina 3TEXAS472024
CatarinaTEXAS422010
El IndioTEXAS422007
RandadoTEXAS382024
Encinal 2TEXAS322024
LaredoTEXAS232023
Pedro CreekTEXAS192010

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