The dietary habits of free-ranging Rattus norvegicus are characterized by extreme opportunism. These rodents are omnivorous, consuming a remarkably diverse range of items depending on availability and environmental conditions. This includes seeds, grains, nuts, fruits, vegetables, invertebrates, carrion, and even garbage.
Understanding the diet of these animals is crucial for comprehending their ecological role and potential impact. Their feeding behavior influences seed dispersal, nutrient cycling, and predator-prey dynamics within their respective ecosystems. Furthermore, their adaptable consumption patterns contribute significantly to their survival and proliferation in varied habitats, highlighting their invasive potential.