hello everyone. i am building a coop. and i bought about 10 2x4's and i plan on making a pen that is an L shape. i plan on putting chicken wire around the entire thing including the bottom and i am going to submerge the wiring underneath the dirt. i will be housing a silkie chicken and a pekin duck together in the same pen. (they are the only birds i have). what can you suggest that i should put in the pen to satisfy both of their needs??? thanks for your help in advance!!!!!!