Safety guidance

• If you are posting work on social media, this should be done via a parent, guardian or school account for children under the age of 13. Children over the age of 13 should still be supervised by an adult. Check out the Thinkuknow website for more guidance on online safety.

Blue whale

Max length 33 metres

Max weight 190 tonnes

Age up to 90 years

Did you know?

The blue whale is the biggest animal that has ever lived. Its tongue weighs the same as an elephant.

Fin whale

Max length 27 metres

Max weight 120 tonnes

Age up to 90 years

Did you know?

The fin whale is the fastest of the great whales, with top speeds of 25 mph. Fin whales eat two tons of food each day, that's the weight of a hippo.

Sperm whale

Max length 18 metres

Max weight 42 tonnes

Age up to 60 years

Did you know?

The sperm whale has the biggest brain in the world at 9 kg. It hunts for squids and sharks at depths down to 3,000 m.

Humpback whale

Max length 17 metres

Max weight 36 tonnes

Age up to 50 years

Did you know?

Humpback whales have unique tails like human fingerprints. Male humpback whales create the most complex 'songs' of all the great whales.

Southern right whale

Max length 17 metres

Max weight 47 tonnes

Age up to 70 years

Did you know?

The southern right whale is the slowest of the great whales with speeds of 6 mph. It communicates mostly using belch (burp) noises.