Many scientists believe the red-eyed tree frog developed its vivid scarlet peepers to shock predators into at least briefly questioning their meal choice. These iconic rain-forest amphibians sleep ...

DESCRIPTION: The Florida semaphore is a tree-like cactus with a distinct trunk and a cluster of spines at the top. The cactus has a dull-gray, fleshy stem with shrubby branches that can grow to a ...