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

Blue-gray Gnatcatcher In Tamaulipan Brushlands

Blue-gray Gnatcatcher in Tamaulipan Brushlands has surged: up 195% on the route-weighted index since 1972.

+195%Since 1972
21Routes In Region
36Years

Notable Signals

long arc increasecomputed index

Blue-gray Gnatcatcher has surged in Tamaulipan Brushlands: up 195% on the route-weighted index since 1972.

Forecast

If the recent trend holds, Blue-gray Gnatcatcher in Tamaulipan Brushlands is projected to rise about 291% by 2029 — from 0.17 in 2024 to a central estimate of 0.65 (95% range 0.00–1.5). A 5-year backtest shows a typical error of ±469.8%, with 100% of held-out values landing inside the 95% band.

+291%Change by 2029
0.65Projected 2029 index
0.001.595% range
±469.8%Backtest error
19692029
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
20250.620.001.5
20260.630.001.5
20270.640.001.5
20280.650.001.5
20290.650.001.5

Routes In Tamaulipan Brushlands

Routes recording Blue-gray Gnatcatcher in Tamaulipan Brushlands.
CatarinaTEXAS82007
SejitaTEXAS52023
MillettTEXAS42012
Agua NuevaTEXAS32023
La PryorTEXAS32003
RandadoTEXAS22014
EncinalTEXAS22008
Catarina 2TEXAS22013
LaredoTEXAS22016
Pedro CreekTEXAS22003
Cavasara Cr.TEXAS22012
RachalTEXAS12023
KingsvilleTEXAS12004
Mirando CityTEXAS12014
George WestTEXAS12013
HondoTEXAS12024
El IndioTEXAS12007
RaymondvilleTEXAS12024
DilleyTEXAS12023
GuerraTEXAS12010
Millett 2TEXAS12022

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