Make sure you are home for the first few days. We added a new hen (that was much bigger) to 5 existing small hens. The 5 girls really gave her a hard time. It took about 3 days for me to know that they weren't going to seriously injure the new hen.
My 1 year old white leghorn has always been at the bottom of the pecking order. But recently her 5 sisters have really been shunning her and pushing her away. Her comb has lost some color and she now seems lethargic (but I live on kauai - so it's also been really hot recently). How can I tell...