Constantinos Petrinos / Bigfin reef squid (Sepioteuthis lessoniana) schooling parallel to one another. Lembeh Strait, North Sulawesi, Indonesia.

Jordi Chias / Juvenile green turtle (Chelonia mydas) reflected in the surface of the window with Snell's window affect, Fakarava atoll inside lagoon at sunset, Tuamotu archipelago, French Polynesia; Pacific Ocean

Jeff Rotman / Eye of a Peacock grouper (Cephalopholis argus) Red Sea, Egypt.

Denis-Huot,Denis-Huot / Ostrich (Struthio camelus) female portrait, Masai-Mara Game Reserve, Kenya

David Pattyn / Dalmatian Pelican (Pelecanus crispus) portrait, close-up of eyes, Lake Kerkini, Greece. February

Alex Mustard / Lemon sole (Microstomus kitt) portrait. Gardur, south west Iceland. North Atlantic Ocean

Konrad Wothe / Foureyed fish (Anableps anableps) split level view, South America, captive

Markus Varesvuo / Tengmalm's Owl (Aegolius funereus) close-up of eye. Kuusamo Finland, May. Winner of the Birds Category in the Finnish Nature Photo of the Year Competition 2013

Markus Varesvuo,Markus Varesvuo / Two Guillemots (Uria aalge), Vardo, Norway, March.

Sven Zacek / Female Long-eared owl (Asio otus) peeking from behind a spruce tree, Southern Estonia, June.

Franco Banfi / Manta ray (Manta birostris), San Benedicto, Revillagigedo (Socorro) Islands, Mexico, East Pacific Ocean

Claudio Contreras,Claudio Contreras / Long-beaked Coralfish (Chelmon rostratus) eye, Inanuran Island, Danajon Bank, Central Visayas, Philippines, April