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New species of sperm whale identified from fossils found in Gunma

The fossils come from three individuals and were found by local enthusiasts over seventeen years; the paper that named the species came out in August.

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Watch it as it aired: Hank Ledger on this story, from Wake Up, America at 5:44 AM ET. Cartoon anchors, real headline: the facts are The Japan Times's, the jokes are ours.

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  1. Hank Ledger · Lead AnchorScientists in Japan have identified a new species of sperm whale from fossils found in Gunma. Lola Cruz is on location this morning.

  2. Hank Ledger · Lead AnchorLola, where are you standing?

  3. Lola Cruz · Senior Field CorrespondentI'm standing outside the Gunma Museum of Natural History in Tomioka, where the fossils are on display, including a nearly complete skeleton of a calf, three to four meters long, from fifteen and a half million years ago.

  4. Hank Ledger · Lead AnchorFifteen and a half million years. What's the whale called?

  5. Lola Cruz · Senior Field CorrespondentMiophyseter gunmaensis. It has more teeth than a modern sperm whale, so it bit and sucked, while today's whales dive deep and only suck.

  6. Hank Ledger · Lead AnchorMiophyseter gunmaensis. Bit and sucked. And who found it, Lola, since somebody's name is on it already?

  7. Lola Cruz · Senior Field CorrespondentLocal fossil enthusiasts, between 1994 and 2011, along tributaries of the Tone River in Tomioka and Annaka.

  8. Lola Cruz · Senior Field CorrespondentI found one of them this morning, and he'll talk.

  9. Gen SakamotoGen Sakamoto, retired. I dug up the first bones in ninety-four. I kept them in the garage for years. My wife wanted the garage back.

  10. Lola Cruz · Senior Field CorrespondentAnd the study came out in August, in the Journal of Vertebrate Paleontology. Did anyone call you?

  11. Gen SakamotoYes, a nice letter. My wife got the garage back and I got the letter.

  12. Hank Ledger · Lead AnchorSeventeen years of digging, and the museum display runs through December thirteenth.

  13. Lola Cruz · Senior Field CorrespondentSeventeen years in the riverbed, Hank, and the professionals took it from the garage to the journal without a phone call.

  14. Hank Ledger · Lead AnchorThe whale has had a name for two months. The man who found it is still just Gen. Chip, what's happening across America?

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From the archive: everything BBN aired on Monday, October 19, 2026 · the U.S. archive · all months