Slutty sloths opt for 'friends with benefits' lifestyle

If you were already jealous of sloths’ lazy lifestyle, hangin’ from trees in tropical paradise, it turns out they’re racking up a lot of notches on their tree stump as well. Ecologists studying two-toed Hoffmann’s sloths in Costa Rica were surprised to find that the animals go for the “friends with benefits” lifestyle; with nearly 40% of the adult males they observed fathering offspring with multiple females. They may look cuddly and lethargic but researchers discovered that the hairy wrap-arounds will go to battle to defend their harems. Oh, it’s always the innocent looking ones that turn out to be naughty, isn’t it? [Source]