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Prince William on son George and his 'lion's roar '

13 September 2013 Last updated at 07:13 BST

Prince William has spoken about his son at an awards ceremony recognising the work of wildlife conservationists.

Accompanied by his wife the Duchess of Cambridge, he told guests that his new baby son is already showing a few animal instincts.

His appearance at the event follows an announcement that he is to leave the military after more than seven years of service and will now focus on royal duties and charity work.

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