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The chromosome number of Sorex araneus varies widely, with a number of distinct "chromosomal races" being present over the species' range. [2] One such race was described in 2002 as a new species, S. antinorii. [2] This is an example of chromosomal polymorphism (chromosomal variability as a result of chromosome fusions or disassociations).
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 ).
The only terrestrial mammals known to echolocate are two genera (Sorex and Blarina) of shrews, the tenrecs of Madagascar, bats, and the solenodons. [14] These include the Eurasian or common shrew (Sorex araneus) and the American vagrant shrew (Sorex vagrans) and northern short-tailed shrew (Blarina brevicauda). These shrews emit series of ...
Sorex araneus grantii is a subspecies of the shrew Sorex araneus, found only on the Scottish island of Islay. It was previously considered a separate species, Sorex grantii . [ 1 ] It is distinguished from mainland shrews by its very grey flanks and different dentition.
The Sorex araneus group of European shrews consists of S. araneus, S. coronatus, and S. granarius, with all members belonging to the order Soricomorpha and the family Soricidae. [2] Because their morphology is virtually identical, species definitions rely primarily on genetic differences.
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Ussuri shrew, Sorex mirabilis; Sorex araneus group Valais shrew, Sorex antinorii; Common shrew, Sorex araneus; Udine shrew, Sorex arunchi; Millet's shrew, Sorex coronatus; Siberian large-toothed shrew, Sorex daphaenodon; Iberian shrew, Sorex granarius; Caucasian shrew, Sorex satunini; Sorex arcticus group Arctic shrew, Sorex arcticus