What's for lunch? You might be surprised at what animals dine upon. Elephants feed on soil to gain important minerals, Galapagos Ground Finches peck into the feathers of boobies and drink their blood, water-holding frogs eat their own skin! Other items on the menu include honeydew excreted from Leaf-footed bugs that ants crave, deer dining on their own antler velvet and Rhinoceroses eating their own dung! No all unusual menu items are safe - when unnatural ingredients are available like plastic bags that sea turtles mistake for jellies or potato chips that monkeys steal from tourists the animals' digestion suffers, sometimes fatally.