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The musculature is sharply defined, giving no sense of emaciation despite the thin proportions (they have roughly four times the strength of the average human). Their eyes are large and sensitive to wavelengths of light inclusive of the human visual range, and beyond into near-infrared. For balancing their long torso and legs, the Na'vi have a long, prehensile lemur-like tail. They can traverse the landscape on the surface as well as using a form of brachiation from branch to branch similar to Earth primates.
Na’vi vary in size, by region and genetic history. Maximum recorded height is 3.9 meters, with a mass of 290 kg, for a Na’vi male. Adult Na’vi males in the region of Australis surrounding Hell’s Gate, average 3 meters in height and 210 kg. Females in this region average 2.8 meters/190 kg. Other examples of gender dimorphism are the pronounced pectoral tendons and sternal prominences in the male.
Data on lifespan is incomplete. It is generally accepted to be longer than human by approximately 30%, but the rate of maturation is more rapid followed by a plateau of adulthood without physical decline.
Range: All biomes of Pandora. Populations of Na’vi are known to exist in every environment of Pandora, from tropical rainforest and equatorial desert to polar regions, boreal forest, mountains, ocean shorelines, wetlands, and archipelago. The Na’vi show evidence of rapid evolutionary adaptation to widely varied habitats. Some scientists consider some of these adaptations so significant that they represent true speciation, but this is controversial, and there is strong agreement among geneticists that the Na’vi are a single species, though with wide variation morphologically, like domesticated dogs on Earth.
Na’vi vary in size, by region and genetic history. Maximum recorded height is 3.9 meters, with a mass of 290 kg, for a Na’vi male. Adult Na’vi males in the region of Australis surrounding Hell’s Gate, average 3 meters in height and 210 kg. Females in this region average 2.8 meters/190 kg. Other examples of gender dimorphism are the pronounced pectoral tendons and sternal prominences in the male.
Data on lifespan is incomplete. It is generally accepted to be longer than human by approximately 30%, but the rate of maturation is more rapid followed by a plateau of adulthood without physical decline.
Range: All biomes of Pandora. Populations of Na’vi are known to exist in every environment of Pandora, from tropical rainforest and equatorial desert to polar regions, boreal forest, mountains, ocean shorelines, wetlands, and archipelago. The Na’vi show evidence of rapid evolutionary adaptation to widely varied habitats. Some scientists consider some of these adaptations so significant that they represent true speciation, but this is controversial, and there is strong agreement among geneticists that the Na’vi are a single species, though with wide variation morphologically, like domesticated dogs on Earth.



