REFERENCES:


http://www.calgaryzoo.org/index.php?option=com_content&task=view&id=42&Itemid=52&animalID=205


http://www.lpzoo.org/factsheet.php?contentID=152


http://library.thinkquest.org/27257/cotton.html


http://www.animalinfo.org/species/primate/saguoedi.htm


http://www.aza.org/species-survival-plan-program/