Many male grasshoppers make noise by rubbing their back legs together. There are about 10,000 different species of grasshoppers. Nymphs molt many times as they grow to be adults. Their body is covered with a hard exoskeleton.
Most grasshoppers are green, brown, or olive-green.
The long hind legs are used for hopping. The short front legs are used to hold prey and to walk. Their predators include birds , beetles, rodents , reptiles , and spiders . Some flies also eat grasshopper eggs.