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Remains of Earliest Human Settlement in Philippines Shocks Researchers

 

For decades anthropologists have been led to believe that humans or hominins stepped foot in the Philippines for the first time almost 67,000 years ago after a single bone was unearthed in Luzon’s Callao Cave that gave clues about the earliest human settlement in Southeast Asia – but a remarkable new research discovered new remains of a butchered rhinoceros, dating back to almost 709,000 years ago, on the island of Luzon in Philippines. Scientists are now convinced that humans have been in Philippines for much longer than previously estimated.

A recent excavation project in Kalinga, Philippines unearthed the skeleton of a butchered rhinoceros dating back to the early Middle Pleistocene

Humans in Philippines Arrived 709,000 years ago

The groundbreaking discovery of a rhinoceros remains, which was butchered using an ancient tool carved out of stone, has pushed back scientists’ previously predicted date of first human settlement in Philippines by hundreds of thousands of years. The discovery made on Philippine’s Luzon island was published in the Nature journal last Wednesday. The study claims that the origins human habitation in Philippines date back to 709,000 years ago – that is a huge time jump from the previously estimated date of 67,000 years ago.

In the 1950’s, various stone-carved weapons and tools were unearthed from the south-east Asian islands but due to the lack of dating technology, scientists were unable to tell how old those objects really were, although they were pretty certain that the findings indicated that the earliest human presence in Philippines dated back to hundreds of thousands of years ago.

It wasn’t until a recent excavation project in Luzon’s Kalinga province that the researchers were able to dig up more than 400 fossil remains of large animals as well as almost 60 ancient tools carved out of stone

Kalinga Excavation Project

One interesting finding from the excavation project was uncovering the remains of an extinct animal from the mammoth family called stegodon amongst skeletons of brown deer, lizards and freshwater turtles. But what really helped the scientists in determining the timeline of the first human settlement in Philippines was the discovery of a rhinoceros skeleton which was almost completely intact despite being hundreds of thousands of years old.

The remains were carefully extracted from the ground and taken to the lab where the electron-spin method revealed the true age of the rhinoceros. The electronic spin resonance method is the most accurate dating technology that can be used to rock, bones and tooth enamel and yields far more accurate results than radiocarbon dating method. According to the study, the skeleton of the ancient animal revealed patterns of physical trauma which indicated that it had been butchered using a stone weapons similar to those that were found during the excavation.

Lead researcher and author Thomas Ingicco said that the study was historical for a number of reasons including the fact that it revealed the real age of the excavation site which was several times older that what the researchers had previously estimated. It also provided evidence of human civilization in an extremely remote and isolated island that dates back to Middle Pleistocene. Ingicco says that because the fossil remains belong to the early Middle Pleistocene, it is quite likely that the island was inhabited by hominin species.

The 67,000-year-old foot bone that was previously excavated in Philippines belonged to a human dwarf species and was similar to the remains unearthed from the Flores, Indonesia

The Kalinga Toolmakers

Since none of the fossil remains excavated from the Philippines island belonged to humans, researchers say that that it is hard to tell where the earliest civilization on the island had come from. For now, the ancient inhabitants of Kalinga have been given the name of ‘Kalinga toolmakers’, opening doors to a new area of interest for researchers who want to find out more about these mysterious hominin species.

Ingicco said that finding animals with butchery marks like those on the recently unearthed rhinoceros skeleton are extremely rare, considering the age of the excavation site, and have only been seen in popular archeological site of Choukoutien in China and Indonesia. Scientists still have a lot to learn about the activities and behaviors of Southeast Asian hominin species from Middle Pleistocene.

The famous 67,000-year-old foot bone that was previously discovered on the same island of Philippines seemed to belong to a human dwarf species and was similar to the remains unearthed from the Flores in Indonesia which led researchers to believe that hobbits had once inhabited the islands of southeast Asia.

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