by Zeee » Fri Jan 21, 2011 11:18 am
Yes, they do. They usually change when the years end. Like, my 2010 rare store dog turned into a Very rare store dog in 2011. Pets rarities change over time, because, the older the pet, the rarer they get.
Speaking of Guinea pigs, I almost got 2 rare of them, both 2010 for MY 2010 VR store doggie!