i have two hens at the moment, about 2 years old, that grew up together. just today i noticed some unusual behaviour from one of them. she just keeps on picking at the other one until it hides in a corner scared. what does this behaviour mean and how do i make it stop. i have 4 english banty hens waiting in my pick up truck and im not sure i want to introduce them until its safe ... pls help, my 8 year old started crying because shes worried so much about them.