Here are some facts about whales you might want to know. Blue whales ...
- Have to have a much bigger space than the space in your pond.
- The weight of a blue whale equals 25 elephants.
- They have to come to the surface to breathe.
- Migatory means the whales travel long distances.
- When whales dive they lift their tails up out of the water.
- Baby whales are called calves.
