Microtus hyperboreus
Animalia | Chordata | Mammalia | Rodentia | Cricetidae | Microtus
Animalia | Chordata | Mammalia | Rodentia | Cricetidae | Microtus
Microtus middendorffi
Animalia | Chordata | Mammalia | Rodentia | Cricetidae | Microtus | Microtus middendorffi