Kristel Richard / Lady riding a black Menorquin stallion, performing the bot or walking courbette of the Doma Menorquina, during the festival Mare de Deu de Gracia, in Mahon, Menorca, Spain 2012. Tourists are trying t...

Mark Carwardine / Domestic dog wearing muzzle, trained to track the endangered North Island Kiwi, Trounson Kauri Park, North Island, New Zealand, January 2009

Carol Walker / Spanish / Andalusian stallion performing Alta Escuela moves, rearing up, Andalucia, Spain

Carol Walker / Spanish / Andalusian horse performing Alta Escuela moves, walking through waves on beach, Andalucia, Spain, model released

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.

John Waters / Hand reared Whooper Swans (Cygnus cygnus) in flight. Birds imprinted and trained by Lloyd and Rose Buck for filming purposes. Somerset, UK, January 2011

John Waters / Hand reared Whooper Swan (Cygnus cygnus) in flight against blue sky. Birds imprinted and trained by Lloyd and Rose Buck for filming purposes. Somerset, UK, January 2011

John Waters / Golden eagle (Aquila chrysaetos) adult female taking off, flying over mountain landscape, trained bird photographed during filming in Glenveagh National Park, Donegal, Republic of Ireland. August 2010

John Waters / Golden eagle (Aquila chrysaetos) adult female taking off, flying over mountain landscape, trained bird photographed during filming in Glenveagh National Park, Donegal, Republic of Ireland. August 2010

Matthew Maran / Shadow of trained Indian elephant (Elephas maximus) carrying wildlife watchers, in green pool of water, with Barasingha / Swamp deer (Cervus duvaucel) Kaziranga National Park, Assam, India, November 2...

John Downer / Barnacle geese {Branta leucopsis} in flight, imprinted geese trained to fly beside car, captive, UK

Carol Walker / Purebred black Friesian stallion being trained to perform the 'spanish walk', Castle Rock, Colorado, USA Model released

Theo Allofs / Asian Elephant (Elephas maximus) 4 week old calf of a female trained as a working elephant for tourism and tiger tracking, India

Pete Oxford / Fisherman with trained cormorants {Phalacrocorax carbo} in mist Li river, Guangxi, China

John Downer / Trained Macaque collects coconuts for owner. Bali Ko Samui, Bali, Indonesia.

John Downer / Pigtail macaque {Macaca nemestrina} trained to collect coconuts from trees, Ko Samui, Thailand

John Downer / Pigtail macaque {Macaca nemestrina} trained to climb palm trees to collect coconuts Ko Samui, Thailand

TJ Rich / Leopard {Panthera pardus} running along sand dune ridge, Namibia, Southern Africa

TJ Rich / Leopard {Panthera pardus} walking in Namib desert Namibia, Southern Africa

TJ Rich / Solitary Leopard {Panthera pardus} walking along sand dune Namibia, Southern Africa

Kristel Richard / Woman riding a black Menorquin stallion, performing Spanish passage dressage steps, Talaiot de Trepuco, near Mahon, Menorca, Spain 2012. Model released.

Kristel Richard / Man riding a black Menorquin stallion, performing the bot or walking courbette of the Doma Menorquina, Talaiot de Trepuco, near Mahon, Menorca, Spain 2012.

Kristel Richard / Lady on a black Menorquin stallion and man on a chestnut Andalusian stallion, performing the bot or walking courbette of the Doma Menorquina, during the festival Mare de Deu de Gracia, in Mahon, Menor...

Kristel Richard / Men riding black Menorquin stallions, performing the bot or walking courbette of the Doma Menorquina, during the festival Mare de Deu de Gracia, in Mahon, Menorca, Spain 2012. People try to touch the...

Kristel Richard / Man riding a black Menorquin stallion, performing the bot or walking courbette of the Doma Menorquina, during the festival Mare de Deu de Gracia, in Mahon, Menorca, Spain 2012. People try to touch th...

Kristel Richard / Man riding a black Menorquin stallion, performing the bot or walking courbette of the Doma Menorquina, during the festival Mare de Deu de Gracia, in Mahon, Menorca, Spain 2012.

Kristel Richard / Man riding a black Menorquin stallion, performing the bot or walking courbette of the Doma Menorquina, during the festival Mare de Deu de Gracia, in Mahon, Menorca, Spain 2012. People try to touch th...

Kristel Richard / Man riding a black Menorquin stallion, performing the bot or walking courbette of the Doma Menorquina, during the festival Mare de Deu de Gracia, in Mahon, Menorca, Spain 2012. People try to touch th...

Kristel Richard / Man riding a black Menorquin stallion, performing the bot or walking courbette of the Doma Menorquina, during the festival Mare de Deu de Gracia, in Mahon, Menorca, Spain 2012. People try to touch th...

Kristel Richard / Lady riding a black Menorquin stallion, performing the bot or walking courbette of the Doma Menorquina, during the festival Mare de Deu de Gracia, in Mahon, Menorca, Spain 2012. People try to touch t...

Kristel Richard / Lady riding a black Menorquin stallion, performing the bot or walking courbette of the Doma Menorquina, during the festival Mare de Deu de Gracia, in Mahon, Menorca, Spain 2012. Tourists are trying t...

Kristel Richard / Man riding a grey Andalusian stallion, performing the bot or walking courbette of the Doma Menorquina, during the festival Mare de Deu de Gracia, in Mahon, Menorca, Spain 2012.

Kristel Richard / Man riding a grey Andalusian stallion, performing the bot or walking courbette of the Doma Menorquina, during the festival Mare de Deu de Gracia, in Mahon, Menorca, Spain 2012. People try to touch th...

Kristel Richard / Man riding a grey Andalusian stallion, performing the bot or walking courbette of the Doma Menorquina, during the festival Mare de Deu de Gracia, in Mahon, Menorca, Spain 2012. People try to touch th...

Kristel Richard / Man riding a grey Andalusian stallion, performing the bot or walking courbette of the Doma Menorquina, during the festival Mare de Deu de Gracia, in Mahon, Menorca, Spain 2012. People try to touch th...

Kristel Richard / Man riding a grey Andalusian stallion, performing the bot or walking courbette of the Doma Menorquina, during the festival Mare de Deu de Gracia, in Mahon, Menorca, Spain 2012. People try to touch the...

Kristel Richard / Man riding a grey Andalusian stallion, performing the bot or walking courbette of the Doma Menorquina, in Ciutadella, Menorca, Spain 2012. Model released.

Kristel Richard / Lady riding bareback a grey Andalusian stallion, performing the bot or walking courbette of the Doma Menorquina, in Ciutadella, Menorca, Spain 2012. Model released

Mark Carwardine / Domestic dog wearing muzzle, trained to track the endangered North Island Kiwi, Trounson Kauri Park, North Island, New Zealand, January 2009

Mark Carwardine / Domestic dog wearing muzzle, trained to track the endangered North Island Kiwi, Trounson Kauri Park, North Island, New Zealand, January 2009

Mark Carwardine / Dog trained for tracking Kiwi, Trounson Kauri Park, North Island, New Zealand, January 2009

Ann & Steve Toon / White rhino (Ceratotherium simum) at Colchester Zoo is trained to walk over a mat with 4,000 sensors to collect data for a special research project on rhino feet by Royal Veterinary College Professor...

Ann & Steve Toon / White rhino (Ceratotherium simum) at Colchester Zoo is trained to respond to a target, for a special research project on rhino feet by Royal Veterinary College Professor John Hutchinson, May 2012. Edi...

Roland Seitre / Bottle-nosed Dolphins (Tursiops truncatus) playing with hula-hoops on their beaks. Captive. Valencia, Spain.

John Waters / Peregrine falcon (Falco peregrinus) adult male trained bird being flown to lure by Lloyd Buck, bird trainer. It carries a data logger on its back to provide information on flight speed, angle, g force...

John Waters / Common raven (Corvus corax) sub-adult male, calling, trained bird, Somerset, UK, March

John Waters / Peregrine falcon (Falco peregrinus) trained bird, adult male, in flight carrying a data logger on its back to provide information on flight speed, angle and G force, Somerset, UK. September 2011

John Waters / Common raven (Corvus corax) sub-adult male, calling, trained bird, Somerset, UK, March

Ernie Janes / Indian elephant (Elephas maximus) sitting on chair at show in Thailand Zoo

Ernie Janes / Cocker spaniels and Labrador (Canis familiaris) retrieving on pheasant shoot with owner, Norfolk, UK

Ernie Janes / Yellow Labrador on lead retrieving on pheasant shoot, UK

Ernie Janes / Indian elephant (Elephas maximus) riding motor bike at show in Thailand Zoo

Ernie Janes / Black Labrador dog (Canis familiaris) retrieving cock pheasant on shoot, UK

Ernie Janes / Indian elephant (Elephas maximus) standing on back legs with rider at show in Thailand Zoo

Ernie Janes / Pig-tailed macaque (Macaca nemestrina) being forced to drink beer for tourist entertainment, Central Thailand

Ernie Janes / Domesticated Indian elephant (Elephas maximus) and Mahout's foot beneath ear, Thailand, captive

Philippe Clement / Military attack dog, Belgian Shepherd Dog / Malinois (Canis familiaris) biting man in protective clothing during training session of the Belgian army, Belgium

Pete Oxford / Bottlenose dolphin (Tursiops truncatus) with trainer in Aquarium, Islas del Rosario, off Cartagena (Cartagena de los Indios) Atlantico Province, Columbia, captive

Jeff Rotman / Capuchin monkey (Cebus sp) turns the page of a book. The monkey is trained to be a companion and assistant for its owner, who has physical disabilities, and it can perform many simple tasks on request...

Jeff Rotman / A Capuchin monkey (Cebus sp) uses a cloth to rub its owner's face and relieve her of itching. The monkey is trained to be a companion and assistant for its owner, who has physical disabilities, and it...

Jeff Rotman / A capuchin monkey (Cebus sp) wipes the face of its owner with a napkin. The monkey is trained to be a companion and assistant for its owner, who has physical disabilities, and it can perform many simp...

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.

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.

John Waters / Kestrel (Falco tinnunculus) adult male perched among brambles and reeds, trained bird, Somerset, UK, February

John Waters / Kestrel (Falco tinnunculus) trained adult male hovering, Somerset, UK, February

John Waters / Hand reared Whooper Swan (Cygnus cygnus) in flight against blue sky. Birds imprinted and trained by Lloyd and Rose Buck for filming purposes. Somerset, UK, January 2011

John Waters / Hand reared Whooper Swan (Cygnus cygnus) in flight against blue sky. Birds imprinted and trained by Lloyd and Rose Buck for filming purposes. Somerset, UK, January 2011

John Waters / Hand reared Whooper Swan (Cygnus cygnus) in flight against blue sky. Birds imprinted and trained by Lloyd and Rose Buck for filming purposes. Somerset, UK, January 2011

Ernie Janes / Manchester Terriers and Wolfhound at Dog Show

Bryan and Cherry Alexander / Dog handler with Domestic dog / Jackal cross, trained to detect explosives at Sheremetyevo Airport, Moscow, Russia, 2005.

Bryan and Cherry Alexander / Dog handler with Domestic dog / Jackal cross, trained to detect explosives at Sheremetyevo Airport, Moscow, Russia, 2005.

Bryan and Cherry Alexander / Dog handler with Domestic dog / Jackal cross, trained to detect explosives at Sheremetyevo Airport, Moscow, Russia, 2005.

Bryan and Cherry Alexander / Dog handler with domestic dog / Jackal cross, trained to detect explosives at Sheremetyevo Airport, Moscow, Russia, 2005.

John Waters / Golden eagle (Aquila chrysaetos) adult female perched on rock, trained bird photographed during filming in Glenveagh National Park, Donegal, Republic of Ireland. August 2010

John Waters / Golden eagle (Aquila chrysaetos) adult female perched on rock in mountain landscape, trained bird photographed during filming in Glenveagh National Park, Donegal, Republic of Ireland. August 2010

John Waters / Golden eagle (Aquila chrysaetos) adult female in flight, trained bird photographed during filming in Glenveagh National Park, Donegal, Republic of Ireland. August 2010

John Waters / Golden eagle (Aquila chrysaetos) adult female in flight, trained bird photographed during filming in Glenveagh National Park, Donegal, Republic of Ireland. August 2010

John Waters / Golden eagle (Aquila chrysaetos) adult female perched on rock in mountain landscape, trained bird photographed during filming in Glenveagh National Park, Donegal, Republic of Ireland. August 2010

John Waters / Golden eagle (Aquila chrysaetos) adult female in flight, trained bird photographed during filming in Glenveagh National Park, Donegal, Republic of Ireland. August 2010

John Waters / Golden eagle (Aquila chrysaetos) adult female perched on rock in mountain landscapes, trained bird photographed during filming in Glenveagh National Park, Donegal, Republic of Ireland. August 2010

John Waters / Golden eagle (Aquila chrysaetos) adult female perched on rock in mountain landscapes, trained bird photographed during filming in Glenveagh National Park, Donegal, Republic of Ireland. August 2010

John Waters / Barn Owl (Tyto alba) in flight over agricultural fields, Somerset, England, UK April. (trained bird)

John Waters / Barn Owl (Tyto alba) in flight and hunting along riverbank, in evening light, Somerset, England, UK April. (trained bird)

John Waters / Barn Owl (Tyto alba) in flight and hunting /stalling towards prey on riverbank, Somerset, England, UK April. (trained bird)

John Waters / Kestrel (Falco tinnunculus) male, trained bird in flight against a backdrop of bare trees and farmland, Somerset Levels, UK

John Waters / Female Northern goshawk (Accipiter gentilis) flying in deciduous forest, silouhetted against sky and bare branches, trained bird, captive, April 2009

John Waters / Female Northern goshawk (Accipiter gentilis) perched on tree and looking at camera, trained bird, captive, Somerset, UK, April 2009

Michael Durham / Chocolate Labrador Retriever (Canis familiaris) named CJ, indicating he has located a bat roosting site in old ponderosa snag, Coconino National Forest, Arizona

Michael Durham / Chocolate Labrador Retriever (Canis familiaris) named CJ, sitting to indicate he has located a bat roosting site, Coconino National Forest, Arizona

Jane Burton / Hungry Patterdale x Jack Russell Terrier pup, 10 months old, licking lips, has been trained to sit when asking for food. (Child is eating dog chew)

Jabruson / African elephant ivory carved figures made by Chinese trained carvers, offered for sale near Virunga NP, DR Congo

Miles Barton / Irrawaddy river dolphin performing for food (Orcaella brevirostris) captive, Oasis Sea World, Bangkok, 1991

Petra Wegner / Domestic dog, Long-haired Weimaraner sitting on hind legs with front paws in the air

Petra Wegner / Domestic dog, Border Collie in begging position / sitting on hind legs

Pete Oxford / Fisherman with trained cormorants {Phalacrocorax carbo} in mist, Li river, Guangxi, China

Mary McDonald / Puma crossing river {Felis concolor} captive, USA