help with sexing my three week old chicks?

[kirstygrange]

 

[Urban Flock]

Great close up shots. A little early to tell yet. What kind are they? If you can post more pictures later you may want to show the profile of the head and also some full body shots from the side as well. Great little chicks.

 

[kirstygrange]

There all crossbreeds, Running with Leghorn, RIR, Auracauna (lavender & Black) Buff.