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

american marina amphibian amphibians bask basking blubber carniovore carnivores cold blooded cold blooded decked fisherman's wharf flippers floating platforms marine mammals north america on the deck pier 39 recumbent san francisco wildlife sea lions sea lion seal sealions seals sleep slumber slumbering sociable social animals usa zalophus califonianus chill out chilling out color daytime large group lighthouse 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 vertical wildlife photography wildlife stock travel travel destinations travel destination animal themes travel experience wild animal wild animals wildlife safari safari safaris safari destinations safari destination nature reserve large group of animals color image colour tourism destination conservation