American mammoth donkey
The American mammoth donkey, commonly known as the mammoth jack, American mammoth or American mammoth jack is a landrace of North American donkey, descended from multiple breeds of donkey imported to the United States. Breeds that influenced the mammoth jack include the Maltese donkey, Poitou donkey (itself also sometimes called the mammoth donkey), Andalusian donkey, Majorcan donkey and Catalan donkeys. Males, called jacks, must be at least 14 hands (56 inches, 142 cm) and females, called jennies or jennets must be at least 13.2 hands (54 inches, 137 cm).
Purebred and pedigreed specimens of the variety that conform to a published standard of characteristics are considered a formal breed, registered with the American Mammoth Jackstock Registry, commonly called by various names including American Mammoth Jackstock', Mammoth Jack stock and Mammoth Jack. These breed designations may encompass females.
- "The Mammoth Jack"
- "Breeds of Livestock - Mammoth Jack Stock" Oklahoma State University
- "Huge donkey welcomed at Lincolnshire animal sancturary". BBC News. 8 August 2012. Retrieved 8 August 2012.
- "Breed Characteristics". AMJR.us. Johnson City, Texas, US: American Mammoth Jackstock Registry. September 24, 2011. Retrieved 2012-03=11.
- Olivia Williams (March XX, 2013). "The lanky donkey: 5ft 8in Romulus is the world¿s biggest ass". Mail Online. Retrieved October 26, 2013.
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