You've just woken up. It's freezing cold inside and out. Your stomach is rumbling. You go downstairs to settle your hunger pains. You pour yourself a bowl of cereal and throw away the empty box and as you're about to swallow your first spoonful two pigeons shoot through your open window, knock you off your chair and gobble up your porridge. Now imagine that you're a tiny little Robin whose survival of winter depends entirely on your breakfast. What would you do to make sure you don't go hungry? Just about anything, right?