Authenticated (07/11/2005) by Matt Richardson, independent primatologist and writer.
Arboreal: Living in trees.
Brachiation: In some primates, a method of locomotion in which the animal swings hand over hand from branch to branch.
Frugivorous: Fruit eating.
Serial monogamy: A form of monogamy in which individuals have only one mating partner at any one time, but may have more than one mating partner in their life time.
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.