David Fleetham / Patterns of diffused sunlight on Humpback whale (Megaptera novaeangliae), Hawaii.

David Fleetham / Curious Humpback whale calf (Megaptera novaeangliae) during moment away from its mother, Hawaii.

David Fleetham / False killer whale (Pseudorca crassidens) just below surface exhaling as it breaks the surface. Maui, Hawaii.

Terry Whittaker / Pod of Killer whales (Orcinus orca) at surface, Grundarfjordur, Iceland, March.

Frederique Olivier / Two Blackchin dolphins (Lagenorhynchus australis) surfacing in a fjord, Patagonia, Chile.

SCOTLAND: The Big Picture / Pod of Bottlenose dolphins (Tursiops truncatus) surfacing just offshore, Black Isle, Scotland, UK, July.

Francois Savigny / Common dolphin porpoising {Delphinus delphis} Azores, Atlantic ocean

Eric Baccega / Polar bear (Ursus maritimus) feeding on a Narwhal (Monodon monoceros), Arctic Bay, Baffin Island, Nunavut, Canada, June.

Espen Bergersen / Humpback whales (Megaptera novaeangliae) bubble net / lunge feeding on herring (Clupea harengus) at dusk, pod co-operative feeding, Kvaloya, Troms, Norway, November

Espen Bergersen / Killer whale / Orca (Orcinus orca) male surfacing at sunset, Kvaloya, Troms, Norway October

Espen Bergersen / Humpback whale (Megaptera novaeangliae) breaching above surface, Kvaloya, Troms, Norway November

Espen Bergersen / Sperm whale (Physeter macrocephalus) tail fluke visible as whale dives. outside Andoya, Norway March