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

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.

A blue whale has washed up dead on a beach in Japan - the first time one has been sighted there A dead blue whale calf has been found washed ashore in Japan - the first time that the rare species ...

Madurai: The carcass of a blue whale calf washed ashore in Pamban on the Rameswaram island on Wednesday morning. Fishermen found the female calf, weighing two tonnes, on the shore near the Pamban ...