They looked pretty similar. Both has a bald triangularish patch at the base
of the tail pointing towards the head, with a lump at the apex and a line
going back to their anus. (Sorry about the graphics....) Everything was
roughly the same size for both.
Managed to check by putting them in a jar each (with holes punched in the
lid) and looking underneath the jar. I could then get a pretty good look at
both simultaneously. Sounds a bit cruel, but it was only for a few
minutes.... The indignity of it all!
Thanks,
Stephen
----- Original Message -----
> Some gerbils are slender, some are chunky. However, what
> else you've said, I think you need to get a helper, catch them
> one at a time and compare. At least catch both at once (this
> NEEDS a helper) and compare their bottomsides. I am betting
> they won't match....
>
