Find out more about whales and dolphins
There are 90 species of whales, dolphins and porpoises, known collectively as "cetaceans". From the enormous blue whale to the tiny vaquita and New Zealand dolphin, you will find information and amazing facts about many of these incredible creatures in our species guide.
The New Zealand dolphin is the smallest dolphin in the world at just 1.3m long.
By comparison, the blue whale can grow to over 30 metres, the largest creature ever to have lived.
Sperm whales have the largest brain and make the loudest sound of any whale.
The longest migration is undertaken by gray whales across the Pacific Ocean.
Amazing facts about whales and dolphins
Dive deeper into the world of whales and dolphins and learn more about their lives.
Facts about whales
Amazing facts about whales, the largest mammals to live on Earth.
Facts about dolphins
From the orca to the tiny vaquita, learn more about these creatures.
Whales and dolphins hold some incredible records.
Just how intelligent are whales and dolphins?
Please help us save whales and dolphins
By adopting a whale or dolphin, by making a donation, or by fundraising for WDC, you can help us provide a safe future for these amazing creatures.
Adopt a dolphin and help us protect these amazing creatures.
Your gifts help us take action for whales and dolphins.
Run, bake, walk, cycle… what could you do for whales and dolphins?