... starkcontrast to that of carnivores, is the time they spend eating, the volume of food they consume, and the consequent volume of faeces they produce.They spend the greater part of their lives eating, ... move in. Theywalk down a row of emerging seedlings, pull them out of the ground, eat just the base of the new stem, and then discard them. Once the new leaves are welldeveloped, however, they leave ... graze leaves. None of them, however, will eat the leaves of just any plant, and a great number of them are ‘host-specific’; theywill eat the leaves of only one species of plant. The common cabbage...