I agree that theyīre more fragile.I have a "tiny" my self,shes nine months old and weighs 1lb 13 ounces.She very very small compared to my younger yorkie jess..who is almost 4 months old and weighs 4lbīs 4 ounces.
Heres a pic to proove it:
http://groups.msn.com/YorkieSisterho...to&PhotoID=252
Jessie is on the left..as I said,shes 3 and a half months old and weighs 4lbīs 4 ounces..on the right,thats Lady,shes 9 months old and at 1lb 13 ounces.
Heres another picture where you can see Lady against jess (Lady has just had a bath in this picture):
http://groups.msn.com/YorkieSisterho...to&PhotoID=261