Analysis of information sources in references of the Wikipedia article "ชาวเซนทิเนล" in Thai language version.
The first batch could identify 31 Sentinelese. The second batch could count altogether 39 Sentinelese consisting of male and female adults, children and infants. During both the contacts the enumeration team tried to communicate with them through some Jarawa words and gestures, but, Sentinelese could not understand those verbal words.
The 72-square-kilometre-area North Sentinel Island is home to the fiercely independent Sentinelese tribe, known to reject any contact with outsiders. The Indian government carried out its 2001 census of the Island from a distance, counting a total population of 21 males and 18 females, although other estimates range higher, to a maximum of 500.
The first batch could identify 31 Sentinelese. The second batch could count altogether 39 Sentinelese consisting of male and female adults, children and infants. During both the contacts the enumeration team tried to communicate with them through some Jarawa words and gestures, but, Sentinelese could not understand those verbal words.