There are several distinct traits that make mammals different from other animals, with the most significant ones being that ...

A 40-million-year-old fossilised whale previously thought to be the heaviest animal of all time is now thought to weigh less than a blue whale. The huge, 17-metre-long whale, which was believed to ...

A blue whale calf grows at a rate of 200 pounds per day! Although its commercial importance has dwindled, it is the largest animal that ever lived. Some specimens are 100 feet long and weigh 150 tons.

The blue whale is the largest animal ever known to have lived on Earth. Blue whales are largest of all baleen whales and are found worldwide. They have a long slender body with a proportionally ...

Krill make up the vast majority of a blue whale's diet. The blue whale is a filter-feeder. Its throat has an expandable, pleated structure to engulf a volume of water and prey that is greater than the ...