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 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 ...

Getty Images In a single year during the 1930s, whalers killed about 30,000 blue whales, according to figures from the International Whaling Commission "This is the largest animal to ever exist on ...

Since its arrival at the Museum in the 1880s, the blue whale skeleton has been part of an ever-expanding scientific collection. The whale is the largest specimen in the Museum's collection of more ...

It had never been noted in blue whales, for the best of reasons: No one has ever witnessed the birth ... and its movements need to be charted. The largest remaining population of the species ...

Only some of the very biggest blue whale specimens might have rivalled ... to Lima (the capital of Peru), where they've been studied ever since," said Dr Eli Amson, a co-worker on the discovery ...

The video, in addition to other research, provides a glimpse into their mysterious reproductive habits, Australian researchers said.

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 ...

Surprise: Blue ... Whales Attacked a Blue Whale—Here's the Surprising Reason Why Killer Whales Attacked a Blue Whale—Here's the Surprising Reason Why Watch Watch the World’s Biggest Animal ...