Fabrice Cahez / Black veined white butterfly (Aporia crataegi) Gazes, Lozere, France, July.

Fabrice Cahez / Black-veined White butterfly (Aporia crataegi) on sea thrift flower, Gazes, Lozere, France, July.

Ernie Janes / Bird watcher at RSPB Minsmere, Suffolk, England, UK, August 2013.

Loic Poidevin / Female Grizzly bear (Ursus arctos horribilis) standing up, Khutzeymateen Grizzly Bear Sanctuary, British Columbia, Canada, June.

Georgette Douwma / Greenband / Red Sea parrotfish (Scarus collana) browsing on filamentous algae growing on sand . Egypt, Red Sea.

Christophe Courteau / Pack of African wild dogs (Lycaon pictus), Mala Mala Game Reserve, South Africa, June.

Edwin Giesbers / European lynx (Lynx lynx) looking up a tree, captive, Norway, February.

David Pattyn / Red fox (Vulpes vulpes) sitting in a meadow, looking up, The Netherlands, August.

Roger Powell / Pair of Little owls (Athene noctua) perched on a wall, looking up, Castro Verde, Alentejo, Portugal, April.

Roger Powell / Pair of Little owls (Athene noctua) perched on a wall, with the male looking up, Castro Verde, Alentejo, Portugal, April.

Roger Powell / Little owl (Athene noctua) perched on a wall, yawning, Castro Verde, Alentejo, Portugal, April.

Roger Powell / Litte owl (Athene noctua) perched on a rock, Castro Verde, Alentejo, Portugal, April.

Roger Powell / Little owl (Athene noctua) perched on a fence post, looking up, Castro Verde, Alentejo, Portugal, April.

Denis-Huot / Leopard (Panthera pardus) looking at vultures near its prey, Masai-Mara Game Reserve, Kenya

Denis-Huot / Leopard (Panthera pardus) looking at vultures near its prey, Masai-Mara Game Reserve, Kenya

Roland Seitre / Guide watching Uvea Parakeet (Eunymphicus uvaeensis) feeding on fruit, Gossanah, Ouvea, Loyalty Islands Province, New Caledonia, August 2012