Awww... :) Are they related? Two of mine do that, but they're not related. I think that the younger (short-hair) one just takes advantage of the elder one's long fur! :)
Yes, they're mother and son. And we're cat-sitting a couple of blue-point Birmans at the moment (I don't remember their relations to ours - another son and his half-brother I think).
Welcome to the VirJournal - a very infrequent blog.