This is also the time when the hair down their back and across the shoulders becomes whitish or greyish in color.Ī mature and lone blackback or silverback will live close to a particular group and attempt to dethrone the dominant silverback as soon as he is strong enough. It is only when they become fully grown (at about 12 to 13 years of age) that they become silverbacks. At this point, they are still referred to as Blackbacks. This is the time most leave the group to leave alone or join other males. A male gorilla becomes an adult at about 8 years of age. Compared to a female, a silverback gorilla has a larger head, body and can weigh up to 270 kilograms. A silverback is much larger than a female. A male gorilla that is too old to be a juvenile but too young to be a silverback is referred to as a blackback. Silverback gorillas are distinguished by a grayish white hairline around the back and shoulders. Silverback doesn’t refer to a particular species of gorillas but a mature male gorilla. Gorillas live in groups or families led by a Silverback. Silverback Gorilla – Size, height and lifespan Human diseases, habitat destruction and poaching for meat are the greatest threat to wild gorilla survival. This is because their numbers have reduced considerably in the last century. All subspecies of gorillas are considered critically endangered by the International Union for Conservation of Nature (IUCN). There are currently over 300,000 Western lowland gorillas, 5000 Eastern lowland gorillas, 1,000 mountain gorillas and less than 400 Cross river gorillas.
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