[bad img]http://i.imgur.com/hgnn2wo.jpg[/bad img]
What on earth is that, he's taking the Mickey.
An Australian marsupial called a quokka
It's a cutie.
Are they really that big - or is just the camera angle ?
Camera angle I think but Leigh will confirm.
I thought perhaps it was leaning over to look at a camera phone.
It is just the camera angle. They are not particularly common and I can't recall ever having seen one, though I probably have, in a zoo. IIRC they're about the size of a rabbit.