ocr: 42 THE PoisonDartFrogs BRIGHT COLORATION OF THE POISON a DART FROG (Phyllobates terribilis) serves as a warning to potential predators that it is one of the most poisonous animals on Earth. From tiny pores in its skin, the frog secretes a defensive poison that makes it unpalatable to predators and which could easily kill if injected into a human or other animal. The indigenous Choco people of Colombia employ this secretion to poison CAe the tips of their blowgun darts for hunting monkeys and other small game. A blowgun dart is poisoned by drawing the tip across a frog that secretes batrachotox ...