All of them grow at different rates. I don't worry about a "small" or "big" puppy. They all even out in the end.
I thought Frag was going to be huge because he grew so fast... but ended up at 75-80lbs tops. Which I am glad for. I prefer smaller shepherds, anyway.
Danielle, owner of...
Fraggle Rock Collars
Fraggle Vom Richcreek CGC CA
Red Dog's Reconnaissance Man CGC
General Patton Vom Winter Storm