The Hobbit: Not Human?

Sept. 20, 2007 — Scientists, wringing their hands over the identity of the famed "hobbit" fossil, have found a new clue in the wrist.

Since the discovery of the bones in Indonesia in 2003, researchers have wrangled over whether the find was an ancient human ancestor or simply a modern human suffering from a genetic disorder.

Now, a study of the bones in the creature's left wrist lends weight to the human ancestor theory, according to a report in Friday's issue of the journal Science.

The wrist bones of the 3-foot-tall creature, technically known as Homo floresiensis, are basically indistinguishable from an African ape or early hominin-like wrist and nothing at all like that seen in modern humans and Neanderthals, according to the research team led by Matthew W. Tocheri of the Smithsonian's National Museum of Natural History.

That indicates that it is an early hominin and not a modern human with a physical disorder, they contend.

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"It seals the deal," Tocheri said in a telephone interview.

The specimen he studied lived on the Indonesian island of Flores about 18,000 years ago, a time when early modern humans populated Australia and other nearby areas.

Scientists had thought humans had the planet to ourselves since Neanderthals died out about 30,000 years ago, and the discovery of Hobbits indicates another evolutionary cousin who coexisted longer, Tocheri said.