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Stone Age humans brought deer to Scotland by sea: study

Stone Age humans populated the Scottish islands with red deer transported "considerable distances" by boat, said researchers Wednesday who admitted surprise at our prehistoric ancestors' seafaring prowess.

Stone Age humans brought deer to Scotland by sea: study
DNA analysis revealed that deer on Scotland's northermost islands were unlikely 
to have come from the closest and seemingly most obvious places - mainland
 Scotland, Ireland or Norway [Credit: iStockphoto]
DNA analysis revealed that deer on Scotland's northermost islands were unlikely to have come from the closest and seemingly most obvious places -- mainland Scotland, Ireland or Norway, said a study in the Royal Society journal Proceedings of the Royal Society B.

"Our results imply that Neolithic humans were transporting deer considerable distances, by sea, from an unknown source" some 4,500-5,500 years ago, co-author David Stanton of Cardiff University told AFP by email.

"These results are surprising... The evidence suggests that we have misunderstood our relationship with this species," he added.

"Perhaps humans managed deer, having long-term relationships with herds that allowed them to plan, capture and transport deer on longer voyages."

It was known that late Stone Age humans had transported cattle, sheep and pigs by boat, but not large wild animals, and not over such vast distances.

Red deer, said Stanton, were central to life in Britain from the end of the last Ice Age about 11,000 years ago to the arrival of the first late Stone Age farmers.

The animals provided crucial nourishment, skins, sinew, bones and antlers -- used to till the soil, among other things.

Scientists say all animals, including deer, found on the islands today must have been introduced by seafaring people.

The islands were covered in ice during the last "glacial maximum", a period of deep Earth freeze, and have since been separated from each other and the mainland by spans of ocean too wide for deer to swim.

It was therefore thought the deer must have been brought from nearby, possibly from mainland Scotland, boat-hopping from island to island with short spurts of swimming in between.

But DNA analysis of Neolithic deer bones found that those on the most distant, northern islands, were genetically dissimilar to deer from Britain, Ireland, the western European mainland or Scandinavia.

"The hunt is now on to find the ancestors of these deer," said Stanton.

Source: AFP [April 06, 2016]
TANN

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