galapagos marine iguanas amblyrhynchus cristatus on lava rock, galapagos islands

amblyrhynchus america animal aquatic archipelago blue coastal conservation cristatus darwin ecuador endemic equator exotic fauna galapagos gravel grey group iguanas island islands lava lazing life lizard lying marine mertensi nature ocean outdoors prehistoric reptile reptilian rock rocky scales sea shore shoreline sky south tourism travel tropical water waves white wildlife