Authenticated (01/05/08) by Dr. Justin A. Welbergen, University of Cambridge.
http://www.zoo.cam.ac.uk/zoostaff/bbe/Welbergen/Justin1.htm
Endemic: A species or taxonomic group that is only found in one particular country or geographic area.
Hybridisation: Cross-breeding between two different species or subspecies.
Territories: Areas occupied and defended by an animal, a pair of animals or a colony.