Find out more about Mairi and her friends...

Explore these fascinating facts about whales, dolphins and porpoises

and learn some amazing things to tell your friends!

Just click on the information to find out more...

•  The largest animal on earth weighs as much as 6,000 children...
•  The longest migration of any animal on earth is made by a type of whale...
•  The deepest dives made by whales...
•  The longest dives made by whales...
•  If you think a hamster can fit a lot in its mouth think again! Rorqual whales...
•  A melon is not just a fruit...
•  The longest lived whale...
•  Dolphins have belly buttons!
•  Just like people getting old Rissos dolphins turn grey!
•  The largest brain on earth...
•  The intestines of a sperm whale...
•  How many potatoes can you eat in a day? Killer whales...
•  Baby Blue whales drink 190 litres of milk each day...