Turtles have gone essentially unchanged in appearance since that time. Turtles in temperate regions hibernate during colder periods of the year. Turtles as a group are omnivorous, eating both plant and animal matter, living or dead. The orangutan , Pongo pygmaeus , a great ape , is native to the forests of Borneo and Sumatra . There is an island legend that orangs can speak but do not for fear that humans will put them to work .
Orangs have a shaggy coat of long , coarse , reddish brown hair .
Adult males also have reddish blond beards and mustaches , well-developed cheek pads that extend outward from the sides of the face , and a large throat pouch that is used as a sound resonater to reinforce certain calls . Males are larger than females weighing around 75kg . Females weigh around 40kg . The orang's arms are very long and reach to the ankles when the animal stands erect . Orangs live in trees where they obtain their food and sleep .