Orcas Around Spain and Portugal

Over the past decade there have been over ten thousand sightings of orcas around Spain and Portugal in the Straight of Gibraltar, The Gulf of Cadiz, and the Alboran Sea.  It is believed that these Orcas travel every summer into the Mediterranean following the migration of Red Tuna, their main prey.  In the spring the killer whales are found following the tuna into the Mediterranean Sea following the large schools of fish and in the summer they return to the Atlantic Ocean.  The migration patterns of these orcas has been previously unknown and it has not been until recently that further research has revealed the details of their movements along the Iberian Peninsula.  It is widely accepted that these killer whale population are in great danger and are at risk of various threats including the depopulation of red tuna their staple diet in that area.

http://www.sciencedaily.com/releases/2014/11/141126111120.htm
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