The proboscis monkey or long-nosed monkey, known as the bekantan in Indonesia, is a reddish-brown arboreal Old World monkey with an unusually large nose. It is endemic to the southeast Asian island of Borneo

Stock photo: The proboscis monkey or long-nosed monkey, known as the bekantan in Indonesia, is a reddish-brown arboreal Old World monkey with an unusually large nose. It is endemic to the southeast Asian island of Borneo was taken by exinco .