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

Cave Swallow In Tamaulipan Brushlands

All regionsTamaulipan BrushlandsAerial insectivores

Cave Swallow in Tamaulipan Brushlands has held roughly steady: up 2% on the route-weighted index since 1982.

+2%Since 1982
25Routes In Region
44Years

Notable Signals

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

Forecast

If the recent trend holds, Cave Swallow in Tamaulipan Brushlands is projected to rise about 73% by 2029 — from 19 in 2024 to a central estimate of 33 (95% range 0.00–70). A 5-year backtest shows a typical error of ±237.7%, with 60% of held-out values landing inside the 95% band.

+73%Change by 2029
33Projected 2029 index
0.00–7095% range
±237.7%Backtest error
19802029
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
2025340.0071
2026340.0071
2027330.0071
2028330.0070
2029330.0070

Routes In Tamaulipan Brushlands

Routes recording Cave Swallow in Tamaulipan Brushlands.
EncinalTEXAS3682010
ZapataTEXAS1941987
GuerraTEXAS1692018
RandadoTEXAS1072024
La PryorTEXAS632005
LaredoTEXAS522023
MillettTEXAS432012
RaymondvilleTEXAS412024
Encinal 2TEXAS392024
El IndioTEXAS302007
CatarinaTEXAS202010
HondoTEXAS182024
ProgresoTEXAS152008
Millett 2TEXAS152024
SejitaTEXAS122014
HeidelbergTEXAS102022
Mirando CityTEXAS62023
George WestTEXAS62024
Catarina 2TEXAS62014
Pedro CreekTEXAS62005
San YgnacioTEXAS51982
RachalTEXAS42023
Agua NuevaTEXAS12018
KingsvilleTEXAS12023
Cavasara Cr.TEXAS12013

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