Presbytis thomasi (North Sumatran Leaf Monkey) is a species of primates in the family Old World monkeys. They are listed as vulnerable by IUCN and in cites appendix ii. They are native to Asia. They are diurnal herbivores. Individuals can grow to 1270 mm. Reproduction is viviparous. They have parental care (female provides care and cooperative breeding).
EOL has data for 52 attributes, including: