Benjamin Barthelemy,Benjamin Barthelemy / Portrait of brown and white coated Holland lop-eared domestic rabbit (Oryctolagus cuniculus domesticus), Lorraine, France, July

Mark Taylor / Ginger kitten with sandy Lionhead-Lop rabbit.

Mark Taylor / Ginger kitten, 7 weeks, sitting between two young Lionhead-Lop rabbits.

Andrew Walmsley / Mini lop-eared domestic rabbit with one ear up and one ear down, and tongue sticking out, Captive, Christchurch, New Zealand

Mark Taylor / Sandy Lop rabbit sitting up on its haunches.

Mark Taylor / Grey adult Lop and baby Agouti rabbits

Petra Wegner / Young Satin Lop-eared Dwarf Rabbit, white with rhon, 12 weeks

Petra Wegner / Young Satin Lop-eared Dwarf Domestic Rabbit standing up with one ear raised, japanese, 8 weeks

Petra Wegner / Lion-maned Dwarf Domestic Rabbits, 13 weeks, Dwarf Rabbit, and Satin Lop-eared Dwarf Rabbit, 8 weeks

Petra Wegner / Young Satin Lop-eared Dwarf Domestic Rabbit standing up with one ear raised, japanese, 8 weeks

Jane Burton / Newborn Sandy lop-eared rabbit, one-week, still blind, UK

Jane Burton / Newborn Sandy lop-eared rabbit, bald and blind

Tony Heald / Asian elephant (Elephas maximus) domesticated elephant working, picking reeds, Kaziranga National Park, Assam, India, March 2009.

Kristel Richard / Eagle hunter mounted on Mongolian horse with his female Golden eagle (Aquila chrysaetos) at Eagle Hunters Festival, near Sagsai, Bayan-Ulgii Aymag, Mongolia. September 2014..

Enrique Lopez-Tapia / Domestic Asian elephants (Elephas maximas) used for riding safaris with their keepers, Royal Chitwan National Park, Nepal.

Jabruson / African elephant (Loxodonta africana) two youngsters 'Mecca' and 'Lungunia' being fed mangos by their keeper, Garamba National Park, North Eastern Zaire, now the Democratic Republic of Congo. Remnants...

Paul D Stewart / Small leopard butterflies (Phalanta alcippe) puddling on sweaty trainers to gain valuable salts and amino acids, Thailand.

Kristel Richard / Eagle hunter mounted on Mongolian horse with his female Golden eagle (Aquila chrysaetos) at Eagle Hunters Festival, near Sagsai, Bayan-Ulgii Aymag, Mongolia. September 2014..

Jeff Rotman / Dolphin trainer and child interacting with juvenile Bottlenose dolphin (Tursiops truncatus) Dolphin reef, Eilat, Israel, Red Sea. Model released.

John Waters / Professional bird handler and trainer Rose Buck holding adult female Goshawk (Accipiter gentilis) Somerset, UK, February 2014. Captive, occurs throughout much of the Northern Hemisphere.

John Waters / Rose and Lloyd Buck, professional bird handlers and trainers, holding adult female Goshawk (Accipiter gentilis) Somerset, UK, January 2013. Captive, occurs throughout much of the Northern Hemisphere.

John Waters / Rose and Lloyd Buck, professional bird handlers and trainers, holding adult female Goshawk (Accipiter gentilis) Somerset, UK, January 2013. Captive, occurs throughout much of the Northern Hemisphere.

Kristel Richard / Marbach staff in traditional uniform drive a Black Forest stallion and a Norman Cob stallion during the stud's 500th anniversary celebrations. Marbach National Stud, Swabian Alps, near Reutlingen, in...

Kristel Richard / Marbach riders in traditional uniform perform during the stud's 500th anniversary celebrations, Marbach National Stud, Swabian Alps, near Reutlingen, in Baden-Wurttemberg, Germany. May 2014.