A baby koala, said to be the first born in the UK, has been named after keepers discovered that he is a little male joey.

Yooranah was born at Edinburgh Zoo in May 2013 but keepers waited until he had fully emerged from mother Alinga's pouch before they started to handle him.

He was only the size of a jelly bean, hairless and blind when born but now weighs 1lb 6oz.