A filtering system that baleen whales have inside their mouths. When the whale opens its mouth in the ocean it takes in water. The whale then pushes the water through the baleen causing ocean animals such as krill and plankton to get stuck in the baleen so they can be eaten by the whale.

The nostril of a whale or dolphin which is on the top of its head. They use it to breathe air.

An animal (such as a human) that grows fur or hair from out of its skin. The females provide milk to feed their young who are usually born live.

A relatively small, grey dolphin with a short beak that lives in warm waters near land.

The 'false killer whale' is the fourth-largest dolphin on Earth. It lives in temperate and tropical waters throughout the world, and looks similar to the killer whale (orca).

A whale that has a ‘baleen’ which they use to filter plankton and krill from the water.