The term 'large animal' can refer to a variety of creatures, including whales, elephants, ELK, and hippos. Whales are aquatic mammals that live in the ocean and can grow up to 30 meters long. Elephants are the largest land animals, with some species growing up to 4 meters tall and weighing up to 7 tons. ELK are large deer-like animals that inhabit North America and parts of Europe and Asia. Hippos are large semi-aquatic mammals that can weigh up to 3, 500 kilograms and measure up to 4 meters long.