It sounds like cheap pandering to children's obsession with the gross and disgusting, but actually it's a fantastic way to learn a lot of science. Following in the footsteps of the bestselling Get the Scoop on Animal Poop!, animal puke serves many purposes in the natural world: it can scare and distract predators, feed family and neighbors, protect animals from poisoning (they can't call 911), aid with digestion, and so much more.