Herbivores are animals that feed only on plants or the plant parts. Zebra, cow and giraffe are examples of herbivores. Animals that feed only on the meat of other animals for nutrients are called carnivores. Lions and tigers are examples of carnivores. Animals that feed on both plants and animals are known as omnivores. Bears, cats and dogs are omnivores. Animals that feed on dead plants and animals are called scavengers. Vultures and hyenas are scavengers.