Britain's only polar bear is celebrating his third birthday today at his Highland home on Wednesday.
The 58 stone furry animal enjoyed rolling around in the snow in his Highland home.
Walker munched his way through a big birthday cake made especially for him. It was stuffed with a tasty mix of salmon, apples and carrots. The final flourish was a topping of his favourite food: sardines.
Walker also received the present of new workman's hard hat, which are his favourite plaything. He chewed through so many of them over the summer that the Highland Wildlife Park had to appeal for more.
Walker was born in the Netherlands on 7th December 2008.
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