Neverwinter Nights Easter Egg - Chilly Chicken

When you first enter the city of hilltop after leaving Drogans school, there is a little chicken pen just inside the town walls. Go up to it, you'll notice that most of the chickens are bouncing about. If you look closer one has a stoneskin texture and is not moving at all. Right click on it and see it's bio, it states:
"This is one cold chicken!"