California Sea-Lions rest on floating rafts at Pier 39, San Francisco, United States of America

american marina amphibian amphibians bask basking blubber californian carniovore carnivores cold blooded cold blooded decked dormitory fisherman's wharf flippers floating islands floating platforms harbor scene marine mammals north america on the deck pier 39 pontoon decks pontoons recumbent san francisco wildlife sea lions sea mammals sea lion seal sealions seals sleep slumber slumbering sociable social animals usa zalophus califonianus chill out chilling out color daytime habitat harbour horizontal large group natural world nature outside reclining relaxation relaxed relaxing rest resting sleeping stock image stock photo stock photograph take a break taking a break tourist attraction travel photo travel photograph travel photography travel stock travels wildlife photography wildlife stock travel travel destinations travel destination large group of animals animal animal themes travel experience wild animal wild animals wildlife safari safari safaris safari destinations safari destination nature reserve color image colour tourism destination conservation