Most newts are small---between 2 and 5 inches. How do these little amphibians protect themselves from big, hungry enemies? Many newts, such as the red-spotted newt, are covered in poisonous mucus. The animal's bright colors warn predators that eating the newt can be deadly. But what if an animal decides to attack anyway? If grabbed by an enemy, a newt can lose its tail and escape. Within a few weeks, the newt grows a new tail to replace the one it...