The natives in language and customs present affinities with some Polynesians, and have been held to be a survival of the eastward immigration of people of Caucasian stock which took place before those which established the pre-Malay peoples (such as the Dyaks and Battas) in the Malay Archipelago.
Sanskrit words occur in the various languages spoken in the island; and the Ficus religiose, the sacred tree of the Hindu, is also the sacred tree of the Battas.
Battas הגייה עם משמעויות, מילים נרדפות, הפכים, תרגומים, משפטים ועוד