"Tim Lamb" wrote in message
...
In message , Mary Fisher
writes

You'll be suprised where a mouse can get. :-)

At a guess, a 2p piece sized round hole.

You'd get a rat through that!

I'd guess any hole large enough for a woman's little finger.

That's a good guide but it doesn't have to be a round hole. A mouse's
skull
is slightly flattened, broader than it's high. A round pencil hole
wouldn't
allow a mouse through but squash it a bit and it would. IYKWIM.

I once watched a shrew wriggle through a 5/16" clearance hole. Shoulders
seemed to go one at a time.

It's fascinating isn't it!

Tt's the rigidity of the skull which determines what size of hole - in
rodents at least, can be accessed.

I can't get my body through a hole my head would go though :-(

Mary.

Mary

regards
--
Tim Lamb