Authenticated (31/10/2005) by Matt Richardson, independent primatologist and writer.
Diurnal: Active during the day.
Endemic: A species or taxonomic group that is only found in one particular country or geographic area.
Gestation: The state of being pregnant; the period from conception to birth.
Quadrupedally: Walking on all fours.
Territory: Area occupied and defended by an animal, a pair of animals or a colony.