But the smelly questions didn't end there ... in the fermentation of food in the cheetahs' gut," the book says. Elephant farts are so bad that some of their caretakers feed them a special fart ...

This Valentine’s, let an elephant do the talking and name a turd after a turd!” The zoo said with the Dumping option, you'll get a digital thank-you card and a stinky video to share.