Add Yahoo as a preferred source to see more of our stories on Google. When you buy through links on our articles, Future and its syndication partners may earn a commission. We thought sloths didn't ...

Eleanor has an undergraduate degree in zoology from the University of Reading and a master’s in wildlife documentary production from the University of Salford. Eleanor has an undergraduate degree in ...

Animals that truly can’t fart lack a digestive system to break down food in a way that creates gas inside of a closed space (like an intestine) and then expels it. A Portuguese man o’ war, for example ...