Whales and dolphins are amazing. Find out incredible facts about their lives under the sea.
Which is the biggest whale? The smallest dolphin? How far do whales migrate? Which whale makes the loudest sound? Do they sleep? Just some of the questions you will find answers to along with many others.
A life under the sea
Facts about whales
Find out about the largest creatures living in the oceans and their lives. Find out about whales which migrate from polar regions to the tropics, which are the fastest and who has the biggest brain.
Facts about dolphins
Dolphins and porpoises come in all sizes and some even have unusual colouration. From the magnificent orca to the tiny New Zealand dolphin and vaquita, dive into their world and learn more.
Which whale is the heaviest? Which one dives the deepest? The longest migration? The fastest? Whales and dolphins hold some amazing records. Dive in and find out more and these incredible creatures.
Videos from the wild
A selection of our favourite videos from the WDC archives. You can watch more on our YouTube channel.
False killer whales
Amazon river dolphins