When The Predator Becomes Prey The circle of life will keep turning no matter what direction it spins, and you never know when the tables could turn. SHARE ON: Beetle Grubs’ Biting Behavior When you think of the animal kingdom’s mightiest hunters, amphibians probably aren’t topping your list. But frogs and toads will eat just about any living thing that can fit in their mouths, and they do it quickly: a frog can snap its sticky tongue back into its mouth in less than fifteen one-hundredths of a second. Though, maybe they should consider taking our moms’ advice about slowing down when we eat into consideration.