What eats a puffin?

beef, and chocolate

Anything that can catch them - at sea that mostly means any of the large gulls and related birds such as skuas. On land, usually when nesting - foxes rats, mink, weasels, stoats, otters etc.,...

meee yhehe

Yes you can. But most people tend not to. Here's an Icelandic recipe for Puffin in milk sauce: http://icecook.blogspot.com/2006/07/puffin-in-milk-sauce-mjlkursoinn-lundi.html