Other parts of coastlines or oceanic islands from Iberian Peninsula and Portugal to Morocco in north to south possibly down to even Mauritania , such as on Dakhla Peninsula and Bay of Arguin were potentially serving as wintering grounds similar to Cintra Bay region .
Other parts of coastlines or oceanic islands from Iberian Peninsula and Portugal to Morocco in north to south possibly reaching even Mauritania . 
 Locations such as Dakhla Peninsula and Bay of Arguin had been served potentially as wintering grounds similar to the Cintra Bay region .