The turtle is the latest in a large number of sea creatures, including a 40 tonne fin whale, to be found on beaches around Wales.

BBC: NEWS | UK | Wales | South West Wales | Dead turtle washed up on beach

"There are a great number of these extraordinary creatures lumbering around the place, " he recalls, adding that one of them stole his shoes from outside the tent.

WSJ

Professor Kim believes the number of artificial chromosomes will eventually be augmented, allowing sobots to evolve into more sophisticated creatures in the future.

CNN: 'Sobots': Uncorking the robotic genie in a bottle

The scientists will also use the tags to find out whether oil exploration is altering the creatures' movements, and they will also help to establish whether the number of walruses being hunted in west Greenland at present is sustainable.

BBC: Walruses (Image: BBC)