Christophe Courteau / Pair of West African giraffes {Giraffe camelopardis peralta}. Male on right, female on left.

Alex Mustard / Glasseye snapper (Heteropriacanthus cruentatus) head portrait with a cleaning Goby (Gobiosoma genie) East End, Grand Cayman, Cayman Islands, British West Indies, Caribbean Sea.

Nuno Sa / Whale Shark (Rhincodon typus) accompanied by Pilot Fish (Naucrates ductor) and Remora. The biggest fish in the world has only started to visit the Azores in the past three years due to water temperatu...

Florian Möllers / Chinese fisherman on his raft with Great Cormorant (Phalacrocorax carbo sinensis), silhouetted against the karst hills at the Li River. Yangshuo, Guangxi, China, November.

Andy Rouse / Man playing in deep snow with dogs (two German shepherds and a spaniel) on closed road on Caerphilly Mountain, Caerphilly, South Wales, UK, December 2010, Model released

Ernie Janes / Snowy egret (Egretta thula) standing behind fisherman on Fort Myers beach, Florida, USA

Klaus Echle / Red fox (Vulpes vulpes) vixen 'Sophie' became accustomed to the the photographer and would allow him to walk through forest beside her, Black Forest, Germany, July. Winner of the Fritz Polking portfol...

Jeff Vanuga / Horse and dog silhouetted at dusk. Bighorn Basin, Wyoming, USA. Model released

Juergen Freund / Papuan boy swimming in the shallows with his pet baby hawksbill turtle (Eretmochelys imbricata). Tunnung Island, New Hanover, Papua New Guinea, June 2010

John Waters / Hand-reared Whooper Swans (Cygnus cygnus) being trained to fly alongside a car at Weson airfield by Lloyd and Rose Buck for filming purposes. Somerset, UK, January 2011.

Mark Carwardine / Killer whale / Orca (Orcinus orca) surfacing with three seabirds flying, Tysfjord, Norway, November

Jane Burton / Portrait of young blonde haired girl sitting with Golden Retriever puppy. Model released

Aflo / ic-02802 Two domestic cats sleeping with heads close together {Felis catus}

Aflo / ic-02801 View of heads of two domestic cats sleeping close together {Felis catus}

Sandra Bartocha / Red-flowered Cowslip (Primula veris), Potsdam, Brandenburg, Germany

Anup Shah / Common zebras greeting {Equus quagga} Masai Mara GR, Kenya East Africa

Doug Perrine / Atlantic spotted dolphins touching {Stenella frontalis} Bahamas, Caribbean Sea (Non-ex).

TJ Rich / Two Lioness {Panthera leo} Masai Mara, Kenya, Africa

Eladio Fernandez / Humpback whale (Megaptera novaeanglae) turns on its back to 'fin slap' a behavior thought to request companionship from another whale. Hispaniola, Dominican Republic.

Laurent Geslin / Mute swan (Cygnus olor) pair courting. Walthamstow reservoir, London, UK

Nick Upton / Boy running with pet dog (Canis familiaris) a 'goldendoodle' golden retriever / standard Poodle cross. Hampshire, UK, October. Model released.

Nuno Sa / Whale Shark (Rhincodon typus) accompanied by Pilot Fish (Naucrates ductor). The biggest fish in the world has only started to visit the Azores in the past three years due to water temperature rise. Sa...

Bryan and Cherry Alexander / Nenets men playing cards in the evening at a reindeer herder's camp, Tambey, Yamal Peninsula, Western Siberia, Russia, March 2011

Jouan & Rius / White Stork (Ciconia ciconia) pair perched in tree, Alsace, Upper Rhine, France, May

Carol Walker / Wild horses / Mustangs, mare and yearling walking together, Pryor Mountains, Montana, USA

Doug Perrine / Atlantic spotted dolphins underwater {Stenella frontalis} Bahamas, Caribbean Sea (Non-ex).