Juergen Freund / Common death adder (Acanthophis antarcticus) well camouflaged in its natural habitat. Queensland, Australia, February

Piotr Naskrecki / Horned Leaf Chameleon (Brookesia superciliaris) camouflaged against brown leaf, Madagascar

Mark Raycroft / Bighorn Sheep (Ovis canadensis) two large rams in a mountain scene

Ralph Pace / Great White Shark (Carcharodon carcharias) juvenile near coast, Capitola, California

Ingo Arndt / Mountain Lion (Puma concolor) young cubs with one in tree, Torres del Paine National Park, Patagonia, Chile

Magnus Lundgren / Wild Wonders of China / Construction of Hong Kong International Airport, Lantau a big threat for the Indo-Pacific humpback dolphin (Sousa chinensis) western side of Lantau Island, Hong Kong, China.

Magnus Lundgren / Wild Wonders of China / Indo-Pacific humpback dolphins (Sousa chinensis) at surface, Tai O, Lantau Island, Hong Kong, China

Floris van Breugel / Young humpback whale (Megaptera novaeangliae) surfacing to breath at sunset, Beardslee Islands, Fairweather Range, Glacier Bay National Park, Alaska, USA, August.

Espen Bergersen / Killer whale (Orcinus orca) surfacing under pink sky near coast, Kvaloya, Troms, Norway, November

Chris & Monique Fallows / Long-beaked common dolphin (Delphinus capensis) school swimming close to the surface at False Bay, South Africa, May.

Chris & Monique Fallows / Long-beaked common dolphin (Delphinus capensis) school porpoising, False Bay, South Africa, May.

Chris & Monique Fallows / Long-beaked common dolphin (Delphinus capensis) school, False Bay, South Africa