DOC WHITE / Blue whale underwater close-up of head and mouth feeding with pouch inflated, Mexico

DOC WHITE / Whale shark {Rhincodon typus} Exmouth, Australia

Doc White / Sea Otter, (Enhydra lutris), young male, Elkhorn Slough, California, USA. January

Doc White / California sea otter (Enhydra lutris) feeding on Northern kelp crab, Monterey Bay, California, USA, Eastern Pacific Ocean, May

Doc White / Blue whale (Balaenoptera musculus) aerial view off the coast of California, USA. Pacific Ocean.

Doc White / Blue whale (Balaenoptera musculus) underwater, Coronado Islands, Baja California, Mexico, Eastern Pacific Ocean

Doc White / Blue Whales (Balaenoptera musculus) throat inflated, filter feeding at sea surface. California, USA. Sequence 1 of 2.

Doc White / Humpback Whale (Megaptera novaeangliae) calf. Tonga, South Pacific, September.

Doc White / Humpback Whale (Megaptera novaeangliae) calf. Tonga, South Pacific, September.

Doc White / Humpback Whale (Megaptera novaeangliae) calf, Tonga, South Pacific, September.

Doc White / Humpback Whale (Megaptera novaeangliae) calf, Tonga, South Pacific, September.

Doc White / Humpback Whale (Megaptera novaeangliae) calf. Tonga, South Pacific, September.

Doc White / Humpback Whale (Megaptera novaeangliae) mother and calf. Tonga, South Pacific, September.

Doc White / Humpback Whale (Megaptera novaeangliae) mother and calf at sea surface. Tonga, South Pacific, September.

Doc White / Humpback Whale (Megaptera novaeangliae) mother and calf. Tonga, South Pacific, September.

Doc White / Humpback Whale (Megaptera novaeangliae) female. Tonga, South Pacific, September.

Doc White / Amazon river dolphin (Inia geoffrensis), Rio Negro, Amazonia, Brazil

Doc White / Amazon river dolphin (Inia geoffrensis), Rio Negro, Amazonia, Brazil

Doc White / Steam from underwater volcanic activity. Socorro Island, Baja Mexico.

Doc White / Beluga / White Whale (Delphinapterus leucas) near sea surface. Canada, summer. Captive

Doc White / Girl in aquarium watching Beluga / White Whale (Delphinapterus leucas) in aquarium. Captive. Model released.

Doc White / Narwhal (Monodon monoceros) swimming near the surface, seen from the air. Pond Inlet, Canadian Arctic

Doc White / Californian sealion (Zalophus californianus) amongst kelp, Eastern pacific

Doc White / Close up of Grey whale (Eschrichitius robustus) eye, Baja California, Mexico, Pacific

Doc White / Yellow fin tuna (Thunnus albacares) shoal caught 275ft purse seiner fishing nets, Pacific ocean, Mexico.

Doc White / Sea otter (Enhydra lutris) feeding. Monterey Bay, California, USA, captive

Doc White / Skull of Japanese Sailor. Truk Lagoon, Chuuk islands, Federated States of Micronesia.

DOC WHITE / Brown bear {Ursus arctos} swimming, Alaska, USA

DOC WHITE / Brown bear {Ursus arctos} swimming, Alaska, USA

DOC WHITE / Sperm whale (Physeter macrocephalus) diving, Pacific

DOC WHITE / Southern right whales (Balaena glacialis australis) Pacific

DOC WHITE / Walrus swimming underwater {Odobenus rosmarus} Canadian Arctic

DOC WHITE / Walrus underwater by ice floe {Odobenus rosmarus} Canadian Arctic

DOC WHITE / Sea otter underwater feeding on squid Monterey Bay captive {Enhydra lutris}

DOC WHITE / Sea otter underwater Monterey Bay captive {Enhydra lutris}

DOC WHITE / Ice floes and mountains, northern Baffin Island, Canadian Arctic

DOC WHITE / Aerial Blue whale at sea surface {Balaenoptera musculus} swimming with two Risso's dolphins, Mexico

DOC WHITE / Aerial view of feeding Blue whale blowing at sea surface {Balaenoptera musculus} Mexico

DOC WHITE / Aerial of Narwhal pod {Monodon monoceros} Baffin Island, Canadian Arctic

DOC WHITE / Goosefish / Anglerfish {Lophiodes sp} dead specimen from deep sea

DOC WHITE / Aerial view of bowhead whale {Balaena mysticetus} showing large crown (hump) around blowhole, Canadian Arctic

DOC WHITE / Grey whale {Eschrichitius robustus} San Ignacio lagoon, Mexico

DOC WHITE / Boy and girl watch Beluga whale {Delphinapterus leucas} at Mystic Aquarium, Connecticut, USA. Model released White whales

DOC WHITE / Beluga / White whale with grey calf at sea surface {Delphinapterus leucas} arctic Canada

DOC WHITE / Beluga / White whale at sea surface {Delphinapterus leucas} arctic Canada

DOC WHITE / Beluga at sea surface {Delphinapterus leucas} arctic Canada

DOC WHITE / Beluga / White whale pod {Delphinapterus leucas} arctic Canada

DOC WHITE / Bryde's whale underwater {Balaenoptera edeni} off Mexico