Grasshoppers are insects that can hop, walk, and fly. Many male grasshoppers make noise by rubbing their back legs together. There are about 10,000 different species of grasshoppers. Like all insects, the grasshoppers have a three-part body six jointed legs, two pairs of wings, and two antennae. Their body is covered with a hard exoskeleton. Grasshoppers breathe through a series of holes called spiracles; they are located along the sides of the body. Most grasshoppers are green, brown