To put it in context, though, that's only one or two teaspoonsful a night or every other night because they're only three inches long. Or looked at another way, the contents of the veins of a cow every four years. They have razor sharp incisors that they use to shave away a small area of fur or feathers and then make a shallow incision. Because of their solely liquid diet they don't need any more teeth.
They've got round bodies, long pointy ears and a naked snout. They have a wingspan of eight inches. See for yourself and comment at the end as to whether you think they can be called cuties or not.
Yeah, it's a pity about the way they make their living but if you've ever stood in Sainsbury's unable to recall the colour of the packet of biscuits you liked so much you'll have a sneaking admiration for that ability.
On balance, I think I judged too soon - despite their distasteful way of making a living they don't kill their prey, they're kind to one another, are adaptable and intelligent. Ted Hughes wrote a book about them that I'm afraid we overlooked in our house while we were busy reading Herb the Vegetarian Dragon: