HAWKS NEST BAHAMAS FOR SALE NO FURTHER A MYSTERY

As the chick develops you will notice an increase in size of a pocket of air at the best with the egg; This is certainly called the air-sac and is also separated from the chick by a membrane. When the chick is due to hatch it breaks in the air-sac, this is recognized as internally pipped and provides the chick all-around two days of oxygen before p