<sod>Hamsters, [[guinea pigs]], [[chinchillas]] and [[naked mole-rat]] eat their own droppings, which are thought to be a source of [[vitamin]]s [[B vitamins|B]] and [[Vitamin K|K]], produced by gut bacteria.{{citation needed|date=January 2015}} [[Gorilla]]s and [[chimpanzee]]s eat their own feces and the feces of other gorillas and chimpanzees. This may serve to improve absorption of vitamins or of nutritive elements made available from the re-ingestion of seeds.<ref>{{cite web|url=http://pages.nycep.org/rothman/6PWUnutr.pdf |title=Nutritional Aspects of the Diet of Wild Gorillas |accessdate=2013-06-29}}</ref><eod>
<sod>Hamsters, [[guinea pigs]], [[chinchillas]] and [[naked mole-rat]] eat their own droppings, which are thought to be a source of [[vitamin]]s [[B vitamins|B]] and [[Vitamin K|K]], produced by gut bacteria.{{citation needed|date=January 2015}} [[Gorilla]]s have been recorded to consume their feces extremely rarely, possibly out of boredom, a desire for warm food, or to reingest seeds contained in the feces.<ref>{{cite web|url=http://pages.nycep.org/rothman/6PWUnutr.pdf |title=Nutritional Aspects of the Diet of Wild Gorillas |accessdate=2013-06-29}}</ref><eod>