Leontocebus nigricollis graellsi (Graells's Tamarin) is a subspecies of primates in the family Callitrichidae. They are listed as near threatened by IUCN and in cites appendix ii. They are native to The Neotropics. They are diurnal herbivores. Individuals can grow to 505 mm. They have parental care (cooperative breeding, paternal care, and female provides care).
EOL has data for 40 attributes, including: