Thank you so much for the replies! We have removed Snowflake and put her back out with the rest of the flock. The chicks seem much calmer already with just Cinnamon in the brooder.
Two broody silkies have hatched out six babies (three brown, three grey). Our white hen (Snowflake) has decided she does not prefer the grey chicks and is being quite aggressive with them, despite them being hers. The brown chicks hatched a day earlier and are more active. The other hen...