Gorillas are primarily terrestrial animals, spending most of their time on the ground rather than in trees. Adult gorillas, especially males, are too large and heavy to move safely through the canopy—a mature male silverback can weigh 300–430 pounds. Their body structure, with short arms relative to leg length and a knuckle-walking locomotion pattern, is adapted for ground-based movement through forests.
However, gorillas are not exclusively terrestrial. Young gorillas and smaller females do climb trees for feeding and occasionally for sleeping, particularly to access fruit or construct night nests. But as they grow larger, they increasingly rely on walking and foraging on the forest floor. Adult males rarely climb beyond small saplings and low branches due to their size and weight.
Gorillas inhabit dense rainforests and are highly mobile on land, using their powerful leg muscles to move efficiently through thick vegetation. They construct ground nests for sleeping using branches and leaves, typically at the base of trees rather than high in the canopy. Their diet—primarily herbivorous, consisting of leaves, stems, and fruits—is sourced from both ground-level vegetation and lower tree branches within reach. This combination of ground-based living with occasional climbing makes gorillas predominantly terrestrial compared to other great apes like chimpanzees, which are more arboreal.