Maguari 20 May 2012 Trachypithecus cristatus These had access to the island, but spent most of the time in their holding cage (itself at least 100% bigger than any of Hanoi\'s monkey exhibits).
Trachypithecus cristatus These had access to the island, but spent most of the time in their holding cage (itself at least 100% bigger than any of Hanoi\'s monkey exhibits).