But these are just the averages; the biggest blue whales on record are even more extreme. The heaviest blue whale ever recorded was a victim of whaling, caught in Antarctic waters in 1947.

Could an enormous blue whale make a mistake and swallow a dolphin? Learn why it's not possible for blue whales to eat ...

That would not take the heavyweight title by itself. The biggest blue whale ever recorded weighed 190 tonnes, according to Guinness World Records. But the researchers estimated the ancient whale ...

The largest blue whale ever recorded measured a staggering 33 metres in length. Some think that the whale shark’s cartilaginous skeleton may prevent it from reaching larger, blue whale-like ...

As a result, modern whales are the largest they’ve ever been in history. Take the biggest of the bunch the blue whale. It weighs more than a Boeing 757. Has a belly button the size of a plate.

Blue whales are the largest animals to have ever lived on Earth, with some mature adults reaching 100 feet and tipping the ...