Rodents are small to medium size mammals that gnaw on things Their teeth always keep growing Beavers live in North America Europe and Asia They are known for building dams Beavers knock down trees and use the wood as building material and for food They also use dams to protect themselves from predators
Capybaras are the largest rodents in the world They live in savannas and forests near water in South America Capybaras are herbivores that eat mostly grasses and aquatic plants
