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Common & Eurasian pygmy shrews (genus Sorex), size comparison. The common shrew is not an endangered species, but in Great Britain it, like other shrews, is protected from certain methods of killing by the Wildlife and Countryside Act of 1981. [16] In Britain, shrews can be found at densities of up to one per 200 m 2 (240 yd²) in woodlands.
They range in size from the Etruscan shrew, one of the smallest mammal species at 3 cm (1 in) plus a 2 cm (1 in) tail, [1] to the hero shrew and Thor's hero shrew, at 15 cm (6 in) plus a 10 cm (4 in) tail.
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 genus Sorex includes many of the common shrews of Eurasia and North America, and contains at least 142 known species and subspecies.Members of this genus, known as long-tailed shrews, are the only members of the tribe Soricini of the subfamily Soricinae (red-toothed shrews).
Preble's shrew ranges from 77 to 95 mm (3.0 to 3.7 in) in total length, with a tail length of 28–38 mm (1.1–1.5 in), hind feet of 7–11 mm (0.28–0.43 in) and an ear length of 8–11 mm (0.31–0.43 in). [3] Besides the relatively small body length, the Preble's Shrew has several distinctive cranial characteristics.
They have 32 teeth and are in the red-toothed shrew subfamily. They generally have dark fur and thick feet. They generally have dark fur and thick feet. The saliva of these animals is toxic and is used to subdue prey.
Its hind foot is 1.14-1.36 cm. Their mass is between 4.1-6.2 g. [6] Dorsum is gray-brown. [6] The Shinto shrew resembles Laxmann's shrew. Traits of the shinto shrew from Honshu gradually comes into traits of Laxmann's shrew from Primorsky Krai and Corea (head size) and from Sacchalin and Hokkaido (external measures). [10]