1.0 Black-mantled Tamarin (Saguinus nigricollis) and 0.1 Graells\' Tamarin (Saguinus graellsi), as confirmed by the curator. It was meant to be a pair of S. graellsi but the male was re-identified after his arrival. The intention is to send these to join animals of their own species at other zoos.
The visible distinction between the two is a crescent-shaped brown bark on the face of the nigricollis, but it\'s far from obvious. If my memory serves, the nigricollis is the lefthand animal, the graellsi is on the right.
