The distinguishing feature of the rodents is their pairs of continuously growing, razor-sharp, open-rooted incisors. … 展开

One of the most widespread groups of mammals, rodents can be found on every continent except Antarctica. They are the only terrestrial placental mammals to have colonized Australia and New Guinea without human interventi… 展开

Most rodents are herbivorous, feeding exclusively on plant material such as seeds, stems, leaves, flowers, and roots. Some are omnivorous and a few are predators. The field vole is a typical herbivorous rode… 展开