Authenticated (18/05/2009) by Dr Per Christiansen.
Arboreal: An animal which lives or spends a large amount of time in trees.
Gestation: The state of being pregnant; the period from conception to birth.
Subspecies: A population usually restricted to a geographical area that differs from other populations of the same species, but not to the extent of being classified as a separate species.
Ungulates: Hoofed mammals.