I think they are bummy rabbits.
Although they may be Arse Hares.
(
2 Can Chunder Word to your mums, I came to prod bums,
Sun 3 Jan 2010, 5:04,
archived)
I can't pull a rabbit out of my hat
But I can pull a hare out of my arse.
(
Shazzoir Old enough to know better young enough not to care,
Sun 3 Jan 2010, 5:56,
archived)