Killer whales swim through a bay. The bay is near Tokyo. It is very exciting to see killer whales near Tokyo. It is rare.
The Coast Guard tells ships to be careful. Ships can hit whales sometimes.
Killer whales have another name. They are also called orca whales. They live in all oceans. They live in cold oceans. They live in warm oceans. There are many killer whales. We think that there are 50,000 of them in the world.