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AIMM documents orca contact with boats prior to 2020 reportsPhoto by Buecherwurm_65 on Pexels
Science

AIMM documents orca contact with boats prior to 2020 reports

Barlavento12 September 2026 at 11:55

The Marine Mammal Identification Archive (AIMM) documented contacts between orcas and vessels that occurred prior to the widely reported accounts from 2020. The study compiles seven episodes recorded between 2018 and 2025, revealing that the phenomenon began earlier than previously thought.

Of the 26 orcas identified in these episodes, eight touched the boats directly. The researchers found that the majority of the animals involved were juveniles, raising questions about the behavior and learning of these cetaceans.

The analyzed content shows a pattern of interactions that predates the media attention the phenomenon would later gain. These initial observations likely did not receive the same news coverage as the more recent encounters.

The AIMM study serves as a reference source for understanding the evolution of these contacts over time, contributing to a more complete perspective on the phenomenon involving orcas in the region.

Why this matters

For readers in the Algarve region, where many of these sightings are concentrated, this documentation reveals that contacts between orcas and boats began two years earlier than believed, which may influence how fishermen and sailors interpret and prepare for these encounters. The predominance of juveniles in the contacts also raises questions about the behavior and learning of these orcas on the Portuguese coast.

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This is our short summary of a report published by Barlavento on 12 September 2026 at 11:55; the full text stays with the publisher. In our feed it sits under Science. We currently carry 4418 items in that section.

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