1.Killer whales are usually 8 meters long, with a 6-meter long tail and weigh 3 600 kilograms.
2.They have 40 teeth, each up to 20 cm long.
3.A killer whale's diet consists of fish, birds, and even other whales.
4.Killer whales are good swimmers and are able to jump out of the water.
5.Sperm whales are very heavy, weighing 30 tons.
6.They are 15 meters long.
7.They have 40 teeth, each up to 20 cm in length.
8.Their tails are 8 meters long.
9.Sperm whales usually eat squid, lobsters and small sharks. 10.Sperm whale can dive very deep in very cold water.