Toothless in The Galápagos – A Lesson in Adaptation
Weighting over 400 kilograms, the Galápagos tortoise1 lumbers slowly above the lush grass, grabs the Azolla (mosquito, duckweed, water-fern and fairy moss) with its fully edentulous jaws (yes that’s right – no teeth for these creatures), squishes out the moisture and swallows the bolus to be slowly digested. Although Charles Darwin had a more-detailed explanation … Read more