Sex-link: A chicken produced by a hen and rooster of two different breeds. The offspring of these two breeds can be sexed based on their color or patterns immediately after hatching. Females are one color/pattern and males another. Shank: The area between the claw and the first joint on a chicken’s leg. Sickles: Long, curved tail feathers on certain breeds of roosters. Standard: A description of the ideal traits of a breed. Straight Run: Chicks that have not been sexed. When you purchase straight run chicks, you will most likely get both male and female chicks. Also called unsexed or “as hatched.” Variety: A breed subdivision according to color, comb style, etc.