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

Surprise: Blue Whales Are Mostly 'Left-Handed' Surprise ... Here's the Surprising Reason Why Watch Watch the World’s Biggest Animal Lunge for its Dinner Watch the World’s Biggest Animal ...

While the whale shark is certainly a big animal, it is considerably smaller than the blue whale, Balaenoptera musculus, which is the biggest animal in the world. The largest blue whale ever recorded ...

Blue whales - the largest animals on Earth - are making their home in a part of the Indian Ocean where they were wiped out by whaling decades ago. Researchers and filmmakers in the Seychelles ...

It's an ancient, long-extinct whale that would have tipped the scales at close to 200 tonnes. Only some of the very biggest blue whale specimens might have rivalled its heft, researchers say.

And no matter where they are or what they eat, whales are almost always on the hunt for a tasty meal. Blue whales are the largest animals ever to have lived. These colossal cetaceans often reach 30 ...

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 ...

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.