Sue Flood - TD / Doug Allan with his son, Liam, receiving the second bar of The Polar Medal, Buckingham Palace, London, UK, 26th January 2012. Doug received his first Polar Medal in 1983 for his work with the British...

Lisa Hoffner / Elephant (Loxodonta africana) orphan receiving milk next to a blanket in an effort to simulate an elephant mother. David Sheldrick Wildlife Trust Nairobi Elephant Nursery, Kenya, April 2007.

Ann & Steve Toon / Tranquilised White rhinoceros (Ceratotherium simum) receiving surgery on injured flank, Kwandwe private game reserve, Eastern Cape, South Africa, January 2011

Petra Wegner / Sheltie (Shetland Sheepdog) tricoloured. aged 7 years, standing on hind legs, receiving a treat.

Inaki Relanzon / Working Indian elephant (Elaphus maximus) receiving treatment in elephant camp, Taungoo, Central Myanmar (Burma). September 2009

Ingo Arndt / Yellow Crazy Ant (Anoplolepis gracilipes), an invasive species, receiving nutrition from scale insects, Christmas Island, Indian Ocean, Territory of Australia

Pete Oxford / Jaguar (Panthera onca) female receiving microchip under skin from researcher, Ecuador

Jane Burton / Yellow Labrador Retriever pup receiving his primary vaccination at 9 weeks old

Mark Raycroft / Golden Retriever (Canis familiaris) receiving sit-stay training

Colin Seddon / Barn Owl {Tyto alba} receiving treatment for wing injured on barbed wire, Somerset, UK

Doug Perrine / Sperm whale {Physeter macrocephalus} baby receiving care after stranding, USA.

Doug Perrine / Sperm whale {Physeter macrocephalus} baby receiving care after stranding, USA.

Flip Nicklin / Cocos Island covered with rainforest, receiving eight meters of rain a year, 300 miles off of the Pacific coast of Costa Rica

Suzi Eszterhas / Polar Bear (Ursus maritimus) three to four month old cubs waking up from anesthesia after receiving lip tattoo and ear tags, vulnerable, Wapusk National Park, Manitoba, Canada

Suzi Eszterhas / Polar Bear (Ursus maritimus) three to four month old cubs waking up from anesthesia after receiving lip tattoo from researchers, vulnerable, Wapusk National Park, Manitoba, Canada

Pete Oxford / Chagra cowboys lined up at a hacienda in the Andes Mountains for the annual overnight cattle round-up receiving orders from el patron, Ecuador

Mark Moffett / Farmer receiving money for collecting hedgehogs, agriculture station near Zabul, Iran