Elephant Mud Fun | Afternoon Experience: 12 PM - 05 PM. Bali Zoo does it again with their first Elephant experience. Our new Elephant Mud Fun (half-day package), allowing guest to get down and get dirty with our friendly Sumatran elephants and discovering all about their behavior and lifestyle from our experienced mahout handlers. You will learn interesting facts such as, it is very common to find elephants basking in mud during the summer months because their high body temperature generates a great deal of metabolic heat. And with no sweat glandsto relieve their internal thermometers they rely on mud to stay cool and protect themselves from the heat of the sun because even though their hide looks tough, elephants can actually get sunburned.