According to Smithsonian’s national zoo website it states, female wants to mate 1-2 days. BUT only the male has breeding rights. Her gestational period is 8.5 months. They could breed year long. They give birth. They do not lay eggs (viviparous). According to national geographic's the young rides on the mother. The baby is with their mother for 6 months and nursing for 2-3 years. They have babies one every 4-6 years. Baby gorilla leave their family at the age of 13. Western lowland gorillas live up to 50
According to Smithsonian’s national zoo website it states, female wants to mate 1-2 days. BUT only the male has breeding rights. Her gestational period is 8.5 months. They could breed year long. They give birth. They do not lay eggs (viviparous). According to national geographic's the young rides on the mother. The baby is with their mother for 6 months and nursing for 2-3 years. They have babies one every 4-6 years. Baby gorilla leave their family at the age of 13. Western lowland gorillas live up to 50