They may live to be 80 to 100. FEEDING: Desert grasses and spring wildflowers are tortoises' primary nutritional source. In summer, dry grass stems and cactus pads are main sources of sustenance.
Monochrome painting of ciliate desert-grass (wugong cao, lit. centipede grass; Eremochloa ciliaris/Pteris vittata?) from Diannan bencao tushuo (The Illustrated Yunnan Pharmacopoeia). Diannan bencao ...