South Pacific humpback whale calf - Vava'u

Hippo with mouth open facing sky - India

Young hippo calf and mother in a river - India

Humpback whale dorsal fin - Massachusetts

Sea lions haul out - California

A southern sea otter floating on its back, looking to camera - California

Sea lions bask on the beach - California

South Australian Fur Seal at the shorline, image from behind - Australia

Northern elephant seals hauling out on the sandy shore - California

Common seal basking on the rocky shore with seaweed

Elephant bull charges lion pride at waterhole - Botswana

Cape fur seals hauled out - Namibia, Africa