The savannah is a grassy, windy, semi-dry biome. Grasses are the main form of plant life on the savannah. Nearly one-fourth of the Earth's land area is composed of grassland. Animals that live in savannahs include small creatures such as grasshoppers and beetles to large animals like lions, giraffes, and cheetahs. There are many different names used throughout the world for the savannah including grasslands, pampas, plains, steppes, and prairies.