Thank you for downloading the Hippopotamus Gorgops Enjoy these huge, but gentle giants, in their own habitat and terrain. 

"Move the .ztd file into the dlupdate (and not dupdate) folder if one exists in your Zoo Tycoon folder; otherwise move the .ztd file into the Updates folder that is in the Zoo Tycoon folder."

The default is C:\Program Files\Microsoft Games\Zoo Tycoon

Thank you to Fern and Jay for their invaluable encouragement guidance, and expertise. 

--JohnT--

