Silkie Sizes

[Megan81159]

We recently got a polish and 4 silkies: 2 white, a black, and a buff. They're three weeks old. While they all seem to be healthy, it seems like the black and buff are a bit smaller than the rest. I'm not sure if this is a breed thing where white silkies are larger than the rest, and I have as of yet to come across size measurements for different colors. Do the genes that determine the silkies' colors also determine size?

Here's a picture:

file:///Users/meganrusmantijo/Downloads/IMG_0286.JPG

 

[CascadiaRiver]

I know color does not determine size, I have silkies who are smaller and larger than eachother they just vary~