Sacha wrote:
However, the birds do /not/ appear to like them. (The milage of your
birds may vary)

See my post to Baz. They don't like lard. We tried that a couple of years ago!

Ah, that could be the problem. Sorry, haven't seen your reply to Baz yet.
I could be wrong about it being lard that they used to beavers/cubs, but
that is how I've always seen it in 'recipes' so I may be assuming.