Atlantic gray whales were likely to be seen along the coast before extinction .
Most of the local animals such as Mediterranean monk seals and whales ( mostly North Atlantic right whales ) have disappeared due to histories of slaughter and exploitation like in Cintra Bay .
North Atlantic gray whales were likely to be seen along the coast before extinction .
Most of the local animals such as Mediterranean monk seals and whales ( mostly North Atlantic right whales ) have disappeared due to histories of slaughter and exploitation like in Cintra Bay .