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The American pygmy shrew is the smallest mammal native to North America and is one of the smallest mammals in the world, just slightly larger than the Etruscan shrew of Eurasia. Its body is about 5 cm (2 in) long including a 2-cm-long tail, and it weighs about 2.0 to 4.5 g (0.07 to 0.16 oz). [ 9 ]
The Eurasian pygmy shrew (Sorex minutus), often known simply as the pygmy shrew, is a widespread shrew of the northern Palearctic. Description.
The Etruscan shrew (Suncus etruscus), also known as the Etruscan pygmy shrew, white-toothed pygmy shrew and Savi’s pygmy shrew, is the smallest known extant mammal by mass, weighing only about 1.8 g (0.063 oz) on average.
Pygmy shrew may refer to one of various species of shrews: American pygmy shrew, Sorex hoyi; Eurasian pygmy shrew, Sorex minutus; Etruscan shrew, Suncus etruscus
Genus Sorex [1] – most basal of the genera . Kashmir pygmy shrew (S. planiceps) – India and Pakistan; Tibetan shrew (S. thibetanus) – endemic to China; Subgenus Otisorex – mostly North American shrews with a few species found on the Kamchatka Peninsula and islands in the Bering Sea.
All shrews are tiny, most no larger than a mouse. The largest species is the Asian house shrew (Suncus murinus) of tropical Asia, which is about 15 cm (6 in) long and weighs around 100 g (3 + 1 ⁄ 2 oz) [2] The Etruscan shrew (Suncus etruscus), at about 3.5 cm (1 + 3 ⁄ 8 in) and 1.8 grams (28 grains), is the smallest known living terrestrial mammal.
The Eurasian least shrew may be mistaken for the slightly larger Eurasian pygmy shrew (S. minutus), which is commonly found in the same areas. Besides the size difference, the two species may be distinguished by the tail and feet of the least shrew being noticeably shorter in proportion to its body.
The Madagascan pygmy shrew (Suncus madagascariensis) is a species of mammal in the family Soricidae. [2] It is the only known Malagasy shrew. [1] Taxonomy.