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

Summer Tanager In Tamaulipan Brushlands

All regionsTamaulipan BrushlandsGeneralists

Summer Tanager in Tamaulipan Brushlands has declined: down 27% on the route-weighted index since 1970.

-27%Since 1970
16Routes In Region
38Years

Notable Signals

No notable trend signals for Summer Tanager in Tamaulipan Brushlands. See the full index history below.

Forecast

If the recent trend holds, Summer Tanager in Tamaulipan Brushlands is projected to fall about 26% by 2029 — from 0.25 in 2024 to a central estimate of 0.18 (95% range 0.00–0.45). A 5-year backtest shows a typical error of ±95.8%, with 100% of held-out values landing inside the 95% band.

-26%Change by 2029
0.18Projected 2029 index
0.00–0.4595% range
±95.8%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
20250.190.000.45
20260.180.000.45
20270.180.000.45
20280.180.000.45
20290.180.000.45

Routes In Tamaulipan Brushlands

Routes recording Summer Tanager in Tamaulipan Brushlands.
KingsvilleTEXAS31985
Agua NuevaTEXAS21973
RandadoTEXAS21994
HondoTEXAS22024
El IndioTEXAS21997
ProgresoTEXAS21996
SejitaTEXAS22011
MillettTEXAS21996
RachalTEXAS12013
George WestTEXAS12011
La PryorTEXAS12017
RaymondvilleTEXAS12024
El SauzTEXAS12012
Catarina 3TEXAS12023
Pedro CreekTEXAS12005
Millett 2TEXAS12021

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