Nuts

Over the last 6 months or so, my mam has turned into a regular Bill Oddie.
First it was a bag of bird peanuts hung outside the front door, then she added some balls made out of fat that have seeds and things in.
This was a few weeks ago, because I am lazy and get sidetracked easily, so it has since been taken down because the birds ate it all, but for a while this is what hung outside our house -

Yep.

(Looks a bit rude, get it?
http://www.youtube.com/watch?v=MMl2kRW-xlA&feature=related
1.09 here)