Carol Walker / Cowboy riding bucking palomino horse, Sombrero Ranch, Craig, Colorado, USA Model released

Kristel Richard / Suddeutsche mare, a heavy draft horse, bucking next to her 6 month Suddeutsche colt, in a field, Alfdorf, Swabian-Franconian Forest Nature Park, Germany.

Carol Walker / Wild horse / mustang called Mica, rounded up from Adobe Town Herd Management Area in Wyoming and adopted by photographer Carol Walker. Wearing a saddle for the first time, with trainer Rich Scott. Col...

Kristel Richard / A traditionally dressed cowboy is thrown out by a bronc (unbroken) Quarter mare, during the rodeo of the Festival de la Doma y el Folclore, Estancia Tacuaty, Misiones, Paraguay. January 2012

Kristel Richard / A traditionally dressed cowboy tries to remain on a bronc (unbroken) Quarter mare, during the rodeo of the Festival de la Doma y el Folclore, Estancia Tacuaty, Misiones, Paraguay. Sequence 2/2. Januar...

Kristel Richard / A bronc (unbroken) Quarter mare bolts after having thrown out a traditionally dressed cowboy, during the rodeo of the Festival de la Doma y el Folclore, Estancia Tacuaty, Misiones, Paraguay. Sequence...

Kristel Richard / A traditionally dressed cowboy tries to remain on a bronc (unbroken) Quarter mare, during the rodeo of the Festival de la Doma y el Folclore, Estancia Tacuaty, Misiones, Paraguay. Sequence 4/7. Januar...

Kristel Richard / Traditionally dressed cowboys try to saddle a bronc (unbroken) Quarter mare tied to a pillar, during the rodeo of the Festival de la Doma y el Folclore, Estancia Tacuaty, Misiones, Paraguay. Sequence...

Kristel Richard / An Indian cowboy tries to stay on a bronc or wild paint horse during the All Indian Rodeo, at the annual Indian Crow Fair, Crow Agency, near Billings, Montana, USA, August 2011, Sequence 1/3

Carol Walker / Cowboy on bucking horse, training the horse, Sombrero Ranch, Colorado, USA, May 2010, model released

Kristel Richard / A gaucho (cowboy) tries to remain on the back of a bucking wild horse (Equus caballus) in the rodeo during the Fiesta de la Patria Gaucha, Tacuarembo, Uruguay, April 2008

Kristel Richard / A gaucho (cowboy) tries to remain on the back of a bucking wild horse (Equus caballus) in the rodeo during the Fiesta de la Patria Gaucha, Tacuarembo, Uruguay, April 2008

Kristel Richard / A gaucho (cowboy) tries to remain on the back of a bucking wild horse (Equus caballus) in the rodeo during the Fiesta de la Patria Gaucha, Tacuarembo, Uruguay, April 2008

Kristel Richard / A gaucho (cowboy) tries to remain on the back of a wild horse (Equus caballus) rear view during the Fiesta De La Patria Gaucha, Tacuarembo, Uruguay. April 2008

Kristel Richard / Two feral foals play-fighting in the Letea Forest, Danube Delta Biosphere Reserve, Romania, June 2009

Carol Walker / Cowboy riding bucking palomino horse, Sombrero Ranch, Craig, Colorado, USA Model released

Jeff Vanuga / Cowboy riding alongside bucking horse, Shell, Wyoming, USA, Model released

Steven David Miller / Australian stockman on bucking horse at rodeo, Kununurra, Western Australia

Staffan Widstrand / Cattle rodeo, Saskatchewan, Canada

Phil Savoie / Man on bucking horse at Rodeo, USA

Phil Savoie / Man on bucking bull at Rodeo, USA

Phil Savoie / Man on bucking bull at Rodeo, USA

Jami Tarris / Bactrian Camel (Camelus bactrianus) herders wrangling camel during fair, Gobi Desert, Mongolia

Heike Odermatt / Andalusian Horse (Equus caballus) bucking, Netherlands, sequence 4 of 4

Heike Odermatt / Andalusian Horse (Equus caballus) bucking, Netherlands, sequence 3 of 4

Heike Odermatt / Andalusian Horse (Equus caballus) bucking, Netherlands, sequence 2 of 4

Heike Odermatt / Andalusian Horse (Equus caballus) bucking, Netherlands, sequence 1 of 4