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In page Human–animal breastfeeding:

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Tribal peoples around the world have breastfed many types of animal. Travelers in Guyana observed native women breastfeeding a variety of animals, including monkeys, opossums, pacas, agoutis, peccaries and deer.[1] Native Canadians and Americans often breastfed young dogs; an observer commented that the Akimel O'odham of Arizona "withdrew their breasts sooner from their own infants than from young dogs."[2] According to Sir John Richardson, eighteenth Century Native Americans reportedly fed human breast milk to bison calves, wolves and bears.[3] In 1875, a British surgeon named John Nisbet reportedly observed a group of Burmese women breastfeeding a royal white elephant in the Konbaung court.[citation needed]