[MARMAM] Interactions between orcas and boats

Ruth Esteban ruthesteban at gmail.com
Sun Sep 13 11:08:09 PDT 2020

Dear Mamam community,

Since July there have been interactions between orcas and mainly sailing
vessels around the Iberian Peninsula, as far as we know it all started in
southern Spain. According to witnesses, normally the animals go around the
vessel, and ram the hull, making the boat to turn some degrees and even
breaking parts of the rudder. There have been cases also in Portugal, and
now the interactions are concentrated in northern Spain. It is probably the
same group that has been travelling up north, but unfortunately we don't
have pictures/videos which are good enough to confirm it, or even confirm
to which population do they belong to.

It has been all over the news in Spain and Portugal, and now more broadly
(The Guardian:
We have no clue what could be the motivation of the whales to behave like
this, for this reason it would be really helpful if we could get any input
from other places, where those types of interactions between boats and
killer whales have been happening before. So can you please contact me if
you have any info on something similar?. We would really appreciate it.

Kind Regards,


Ruth Esteban, PhD.

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