weigh as much as an African elephant. 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 ...

Five families of orcas joined forces to hunt down and feed on a blue whale, the largest creature on the planet, in what was an extremely rare sighting off Australia. More than 60 orcas worked ...

Blue whales are the largest animals to have ever lived on Earth, with some mature adults reaching 100 feet and tipping the scales up to 200 tons.