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

Barn Swallow In Tamaulipan Brushlands

All regionsTamaulipan BrushlandsAerial insectivores

Barn Swallow in Tamaulipan Brushlands has declined: down 31% on the route-weighted index since 1971.

-31%Since 1971
28Routes In Region
55Years

Notable Signals

No notable trend signals for Barn Swallow in Tamaulipan Brushlands. See the full index history below.

Forecast

If the recent trend holds, Barn Swallow in Tamaulipan Brushlands is projected to fall about 100% by 2029 — from 7.1 in 2024 to a central estimate of 0.00 (95% range 0.00–30). A 5-year backtest shows a typical error of ±174.7%, with 100% of held-out values landing inside the 95% band.

-100%Change by 2029
0.00Projected 2029 index
0.00–3095% range
±174.7%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
20250.000.0030
20260.000.0030
20270.000.0030
20280.000.0030
20290.000.0030

Routes In Tamaulipan Brushlands

Routes recording Barn Swallow in Tamaulipan Brushlands.
ProgresoTEXAS2352011
San YgnacioTEXAS491985
HondoTEXAS452024
KingsvilleTEXAS122024
George WestTEXAS122024
CatarinaTEXAS62010
MillettTEXAS62012
La PryorTEXAS52017
El SauzTEXAS51997
SejitaTEXAS42024
Mirando CityTEXAS32024
El IndioTEXAS32007
Catarina 2TEXAS32017
DilleyTEXAS32024
Millett 2TEXAS32024
Agua NuevaTEXAS21999
ZapataTEXAS21987
GuerraTEXAS22013
Pedro CreekTEXAS22005
HeidelbergTEXAS22023
RachalTEXAS12019
RandadoTEXAS12024
EncinalTEXAS12010
RaymondvilleTEXAS12024
Encinal 2TEXAS12024

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