EXIT THROUGH THE GIFT SHOP

Just before we left, we came across this board with a hole you stick your head through to be photographed – I don't think they've got a real name, but Wilson calls them Peek-a-Boards.

After taking his photo I showed it to him on the back of the camera and asked whether he'd like it printed as a postcard to send to his brother Byron. 

He said it might make 'Biro' feel a bit left out, what with us being on holiday and him stuck in the zoo.

I thought that was very kind and considerate of W…