Information about the Desert Tortoise: The Desert Tortoise is a terrestrial reptile with a domed shell and round elephantine hind legs. They are found in the southwestern United States into northwest Mexico. These tortoises have extremely long nails, which are used in digging through the sand to find shelter. The tortoises weight 8-15 pounds and can grow to about 15 inches. They can live to be 80 years. The Desert Tortoise is the official state reptile of California and Nevada. The poster is printed on matte, museum-quality paper with Giclée printing quality: • Paper thickness: 10.3 mil • Paper weight: 5.6 oz/y² (192 g/m²) • Opacity: 94% Buy a Digital Download