Feeding ecology and diet

Many species of rodents are herbivorous and feed on a variety of plant materials. These rodents tend to have a highly developed stomach and large intestines, and nutrients from plants are extracted through a fermentation system found in the enlarged cecum occurring in the large intestines. Some rodents, like the grasshopper mouse (Onychomys), are insectivorous, and others eat aquatic insects, mollusks, and fish. Like carnivores, dormice lack a cecum and appear to be more omnivorous in their diet, eating a variety of insects, worms, eggs, and fruits.

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