The Etruscan shrew (Suncus etruscus) or the pygmy white-toothed shrew is the smallest mammal by weight. It grows to a length of 4 cm and weighs 1.8 grams.
The Etruscan shrew (Suncus etruscus) or the pygmy white-toothed shrew is the smallest mammal by weight. It grows to a length of 4 cm and weighs 1.8 grams.