Japanese scientists say they have identified a new species of whale -- a remarkable discovery if confirmed.
The animal is a type of baleen, the family of whales that strain tiny plankton and other food from seawater, the researchers say.
"Can you imagine? An animal of more than 10 meters was unknown to us even in the 21st century," said Tadasu Yamada of Tokyo's National Science Museum, the senior author of the study that appears in this week's issue of the journal Nature.
Most baleens grow to enormous proportions, like the blue whale, which at 75 feet long and more than 100 tons is believed to be the largest animal that has ever lived.
By comparison, the new species is on the small side at about 30 feet long -- about the size of a motor home -- and slender.
While new species of smaller creatures such as insects, birds and amphibians are discovered every year, it is very unusual for scientists to identify a new mammal, particularly one so large. Most whale species were described during the 18th and 19th centuries when commercial whaling drove many to the brink of extinction.
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