Ingo Arndt / Grizzly bear (Ursus arctos horribilis) portrait, Lake Clark National Park, Alaska, USA, September.

Anup Shah / Lion (Panthera leo) cub aged about 2 years approaching with curiosity - remote wide angle perspective . Masai Mara National Reserve, Kenya. Taken with remote wide angle camera.

Fiona Rogers / Lion-tailed macaque (Macaca silenus) female portrait. Anamalai Tiger Reserve, Western Ghats, Tamil Nadu, India. Apr 2013.

Michele Westmorland / Booby (Sula nebouxii) looking at camera underwater, Galapagos Island.

Bert Willaert / Marbled poison dart frog (Epipedobates boulengeri) on leaf, Ecuador.

Chris & Monique Fallows / African penguins (Spheniscus demersus) diving underwater, False Bay, Cape Town, South Africa.

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

Tony Phelps / Chacma baboon (Papio hamadryas ursinus) portrait of adult male. deHoop Nature reserve. Western Cape, South Africa.

Alex Mustard / Portrait of a spotted sunfish (Lepomis punctatus) in front of reeds in a river. Rainbow River, Florida, United States of America.

Andy Rouse / Indri (Indri indri) portrait in tropical rainforest habitat. Madagascar.

Matthew Maran / Portrait of a Common Racoon (Procyon lotor). Stanley Park, Vancouver, Canada, March.

Juergen Freund / Yellow Shortfin lionfish (Dendrochirus brachypterus) face. Lembeh Strait, Sulawesi, Indonesia