original_query: What are the key differences between saddle-backed tortoises and domed tortoises?
query: What are the key differences between saddle-backed and domed Galápagos tortoises?
answer: Saddle-backed tortoises are smaller with longer necks and legs, inhabiting arid zones and feeding on cacti. Domed tortoises are larger with shorter necks and legs, found in more vegetated areas and feeding on grass.