The Sumatran orangutan grows to about 1.4 m (4.6 ft) tall and 90 kg (200 lb) in males. Females are smaller, averaging 90 cm (3.0 ft) and 45 kg (99 lb). Compared to the Bornean species, Sumatran orangutans are thinner and have longer faces; their hair is longer with a paler red color.