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Video taken by the animal welfare charity RSPCA showed the animal lying on the rocks before moving towards the water and swimming away.

The walrus was first seen on rocks in County Kerry, Ireland a week earlier and later appeared to make its way to Wales, the RSPCA said in an emailed statement.

"This is an incredibly rare sighting and these big, beautiful animals never usually venture so far south. The juvenile walrus has likely travelled down this way in search of food," said RSPCA animal rescue officer Ellie West, who was called out to check its welfare.