Bareng, Jeff.  "Aligator Snapping Turtle" 1996 <alaike.lcc.hawaii.edu/zoology101/Report_Files/snapturtle.html> January 2000

    Indianapolis Zoo. "Red Panda" and "African Elephant"  <http://www.indyzoo.com> February 2000

    Kasnoff, Craig.  "Black Rinocerous" <http://www.bagheera.com/inthewild/van_anim_rhino.htm>  March 2000

    Oakland Zoo.  "Bengal Tiger" <http://www.oaklandzoo.org/atoz/azbentig.html> January 2000