Their range extends into northwestern Europe from Finland to Portugal and southern and northwestern Spain ( Galicia and Asturias ) , as well as the western Mediterranean off Catalonia , and off Morocco in Africa .
Only a few hundred travel as far south as Iberia .
Their range extends into northwestern Europe from Finland to Portugal and southern and northwestern Spain ( Galicia and Asturias ) , as well as the western Mediterranean off Catalonia , and off Morocco in Africa , although only a few hundred travel as far south as Iberia .