Presbytis thomasi (North Sumatran Leaf Monkey) is a species of primates in the family Old World monkeys. It is listed as vulnerable by IUCN and in CITES Appendix II. It is found in the Indo-Malayan Realm. North Sumatran Leaf Monkey is a diurnal frugivore. Individuals can grow to 6690 g. Reproduction is dioecious.
EOL has data for 42 attributes, including: