A Brief Summary of the Interesting Life Cycle of a Chicken A chicken's life cycle has three distinctive stages: egg, chick, and chicken stage. Let's take a look at each of these stages. Egg. Egg Laying. The female chicken is called the hen and the male chicken is called the rooster. A hen does not actually need to mate with a rooster to lay eggs.Author: Priya Johnson The Life Cycle of a Chicken | Animals - mom The Life Cycle of a Chicken. By Jodi Thornton O'Connell | Updated August 11, 2017. More than 19 billion chickens inhabit the planet, compared with just over 7 billion humans. While people progress through an average life cycle of nearly 80 years, chickens hatch, mature, reproduce and die in a life cycle lasting less than 10.