I am new to raising chickens. i have 3 reds and 6 black speckleds that are all in together. the reds seem to being to attack the backs of the blacks. i don't know what is causing them to do this and i don't have any were to seporate them. please help. also i have a black sepckled rooster that i have seporated and if i put him in with the flock they the reds fight with him too.