The document contains descriptions of three animals: 1) The koala lives in trees in Australia and has gray fur, big ears, and a big nose. It eats leaves and climbs trees well. 2) Sharks live in the sea and range in size from 5 to 40 feet long. They have a large mouth full of sharp teeth and are blue and white with an aggressive nature. They eat squid and small fish. 3) Polar bears live in the Arctic and are the largest land carnivores. They have a large body and eat seals.