BirdAnalyst
Species · Texas · BBS 2025 Release · 1966–2024

Altamira Oriole Population Trend in Texas

All statesGeneralists

Altamira Oriole in Texas has declined: down 48% on the route-weighted index since 1987.

-48%Since 1987TrendPercent change in the route-weighted abundance index between a smoothed baseline window and the most recent one. It tracks direction, not absolute population.Full methodology →
7Routes In StateSurvey routesHow many standard-protocol BBS routes contributed counts. More routes means a steadier, better-sampled index; very thin coverage is suppressed.Full methodology →
15YearsYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →

Notable Altamira Oriole Trends in TexasNotable signalsLong-arc shifts the engine flags automatically — sustained declines or increases large enough to stand out from year-to-year noise.Full methodology →

No notable trend signals for Altamira Oriole in Texas. See the full index history below.

Altamira Oriole Survey Routes in Texas

Routes recording Altamira Oriole in Texas.
Recent countThe raw number of individuals recorded on this route in its most recent survey year. A single-route tally, not a trend.Full methodology →
Guerra419991988
Encinal319931993
Lag Atascosa220241994
Zapata219871981
L. Atascosa Nwr120222021
Sejita119961996
Pedro Creek119991999

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