Edwin Giesbers / Saltwater crocodile (Crocodylus porosus) close up portrait, Sarawak, Borneo, Malaysia

Laurent Geslin / Urban Red fox {Vulpes vulpes} + angry domestic cat in church graveyard, London, UK

Cyril Ruoso / Drill (Mandrillus leucophaeus) adult male appeasement face, Pandrillus Drill Sanctuary, Nigeria

Cyril Ruoso / Mountain Gorilla (Gorilla gorilla beringei) large silverback continuing to display after attacking a tourist, Virunga Mountains, Rwanda

Alex Mustard / Bluestriped grunt (Haemulon sciurus) portrait, West End, Grand Cayman, Cayman Islands, British West Indies, Caribbean Sea.

Andy Rouse / Polar Bear (Ursus maritimus) in snowstorm. Spitsbergen, Norway. Non-excusive.

Daniel Heuclin / Cocks fighting in cock fight, Guimaras island, Philippines, February 2007

Juergen Freund / Longfin Bannerfish (Heniochus acuminatus) head on portrait, Bali, Indonesia, Indo-pacific

Juergen Freund / Sargassum frogfish / anglerfish (Histrio histrio) in its floating Sargassum seaweed home, El Nido, Palawan, Philippines

Fabio Liverani / Freshwater Crab (Potamon fluviatile) brandishing claws in defensive posture. Foreste Casentinesi National Park, Italy, July.

Alex Mustard / Lemon shark (Negaprion brevirostris) in shallow water with reflection at the surface. Little Bahama Bank, Bahamas.

Petra Wegner / Alaskan Malamute portrait of blue coated adult.