African Spurred Tortoise
The African spurred tortoise is the largest mainland tortoise. They can reach 30 inches in length and well over 100 pounds. This tortoise can go weeks without food or water, and it can drink up to 15 percent of its body weight when it finds a water source.
Bactrian Camel
Bactrian camels can go without water for months at a time, but when water is available, they may drink up to 15 gallons of water at once. Long eyelashes and ears lined with hair provide protection from blowing sand.