When they eat their stomach stretches. Fin Whales live in all the oceans of the world. They can stay under water for one hour. They have to come up for air. They breath from their blow holes.
All baleen whales have two blow holes.
Baleen whales are among the biggest of the whales. They are graceful and peaceful. There are about 100 different kinds of whales in the world. There used to be millions of whales in the oceans. They were hunted for thousands of years.