Males usually leave the group they were born in once they reach sexual maturity to avoid conflict with the silverback, and it’s not uncommon for several males to form “bachelor groups”. The females especially are usually very calm and often groom the silverback. Gorillas are usually very peaceful animals and the range of one group often overlaps into the range belonging to another group. Infants are in constant contact with their mother for the first six months of their lives and they nurse for almost three years. Gestation lasts for 8.5 months and females give birth to one baby approximately every four to six years. Gorillas don’t become mature until they are 10 years old and usually only the silverback will mate with the females.
Gorillas live in troops of between around 30 animals, although the Cross River gorillas live in the smallest groups, and the silverback is always dominant.
They usually sleep alone, although infants will sleep with their mothers. One of the most amazing things about gorillas is that every night each gorilla makes a new nest in the vegetation to sleep in. However, western lowland gorillas also eat ants and termites, and break open termite nests to eat the larvae. Most gorillas are herbivores and eat stems, bamboo shoots, and fruit. Behavior and Social Hierarchy of Gorillas The oldest chimpanzee was 79 when she died and there have been several others live for more than 65 years. However, chimpanzees have lived for longer than gorillas. The average lifespan of a monkey is around 30 to 40 years, depending on the species. Gorillas also live longer than monkeys as the oldest monkey recorded was 54 years old. The oldest orangutan alive today is 60 years old and the oldest ever died in 2018 aged 62 years. The western lowland gorillas are found in forests and swampland in Angola, Cameroon, the Central African Republic, Republic of the Congo, Equatorial Guinea, and Gabon, and males weigh around 390 pounds.Ĭompared to orangutans, gorillas seem to live slightly longer. The Cross River gorillas are found only in the rainforests of the Cameroon – Nigeria border around the Cross River, and weigh around 400 pounds. Mountain gorillas live between 8,000 and 13,000 feet in the mountains of several national parks – Mhahinga and Bwindi national parks in Uganda, Volcanoes national park in Rwanda, and Virunga in the Democratic Republic of Congo and males weigh around 400 pounds. Eastern lowland gorillas – the largest – are endemic to the lowland rainforests of the Democratic Republic of Congo and males weigh around 450 pounds. Gorillas are native to Africa, and where they are found depends on which subspecies they are. The eastern lowland is the largest subspecies, and the western lowland is the smallest subspecies. Eastern gorillas are slightly bigger than western gorillas. The subspecies of eastern gorillas are mountain gorillas and eastern lowland gorillas, while the subspecies of western gorillas are Cross River gorillas and western lowland gorillas. There are two species of gorilla – eastern and western – and each have two subspecies. What Types of Gorillas Are There and Where Do They Live? Gorillas are closely related to humans and have a lifespan of 40 to 50 years, although some have been known to live for far longer.īut just how old is the oldest gorilla ever? We’ll discover the oldest gorilla alive today and see how they compare against the lifespans of other primates. These huge mammals are usually found in forests and mountain regions and are easily distinguished by their large size and thick black hair. Gorillas are the largest apes around and have been on Earth for approximately 7 million years.
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