Jan Hamrsky / Diving beetle (Colymbetes fuscus) close up head portrait. Europe, June. Controlled conditions.

Franco Banfi / Tiger shark (Galeocerdo cuvier) Northern Bahamas, Caribbean Sea, Atlantic Ocean.

Franco Banfi / Scuba diver and Tiger shark (Galeocerdo cuvier) Northern Bahamas, Caribbean Sea, Atlantic Ocean. March 2009.

Andy Rouse / Bengal tiger (Panthera tigris tigris) female 'T19 Krishna' carrying 2 month cub, Ranthambhore National Park, India.

Andy Rouse / Bengal Tiger (Panthera tigris tigris) male 'Romeo T6' cooling off in waterhole during hot summer. Ranthambore National Park, India.

Andy Rouse / Bengal Tiger (Panthera tigris tigris) female 'Noor T39' carrying wet cub. Ranthambore National Park, India.

Andy Rouse / Bengal Tiger (Panthera tigris tigris) female 'Noor T39' with cubs in water. Ranthambore National Park, India.

Chris & Monique Fallows / Ragged tooth shark (Carcharias taurus) showing teeth, De Hoop, South Africa.

Daniel Heuclin / Malayan Tiger (Panthera tigris jacksoni) in river, Malaysia. Captive in natural setting.

Jan Hamrsky / Great diving beetle (Dytiscus marginalis) portrait, Europe, September, controlled conditions

Juan Carlos Munoz / Jersey tiger moth (Euplagia quadripunctaria) large numbers flying to and resting on Sweetgum trees (Liquidambar orientalis) in the Petaloudes Valley, Rhodes island, Greece, August 2011

Hermann Brehm / A young female Bengal Tiger (Panthera tigris) walking into water. Banghavgarh National Park, India, April.