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.
U.S. News Insider Tip: This location is a must-visit. Along the way, you'll encounter various species of giant tortoises and cactus forests, home to Darwin's finches. You'll also find the Station ...