![]() A textbook example of sexual dimorphism is the peacock. Sexual dimorphism is when males and females of the same species have very different morphologies, or physical characteristics. Finding a Mate A female mountain gorilla with an infant in a forest. They are incredibly large because of many biological and ecological forces including their diet, finding a mate, and optimizing reproductive success. To understand why gorillas are so big, we need some background information. Gorillas are the largest primate on Earth! Why are gorillas so big? Just how big can gorillas get? The largest gorilla ever recorded weighed 860 pounds and was an eastern lowland gorilla raised in the St. Their maximum weight is between 5 and 10% larger than other gorilla subspecies such as the mountain gorilla and western lowland gorilla. The largest gorilla subspecies is the eastern lowland gorilla. There are four gorilla subspecies all living in Africa across a patchy distribution interrupted by rivers and other geographical barriers. Silverback gorillas weigh between 300 and 500 pounds while females are between 150 and 250 pounds. There are two species of gorilla and four subspecies: western gorillas ( western lowland gorillas and Cross River gorillas) and eastern gorillas ( eastern lowland gorillas and mountain gorillas). Females of the same species do not have this distinct color pattern. The term “silverback gorilla” usually refers to the dominant male gorillas of each troop because of the grey fur on their backs. As such, they are a great ape also closely related to orangutans, chimpanzees, and bonobos. Gorillas are a primate closely related to humans. We’ll dive into why silverback gorilla weights exceed other primates by such a wide degree, their physical strength, and more! What are silverback gorillas? Silverback gorillas usually weigh between 300 and 500 pounds. This article will investigate all aspects of a silverback gorilla’s size. A trait so costly would be selected against unless there was a substantial advantage. Their size is amazing, but does it serve a purpose? From an evolutionary perspective, it requires a lot of energy and resources to grow to such a large size. Now imagine 25 of those wrapped in fur running around the African wild! Silverback gorillas are huge, majestic animals and are the largest primate on Earth. When you are at the gym, a 20-pound dumbbell can seem pretty heavy.
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