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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.
Sorex araneus polyomavirus 1, formerly known as Human polyomavirus 12 (HPyV12), is a virus of the polyomavirus family that was first identified in human hosts and also infects shrews. [1] It was discovered and reported in 2013 after isolation from the organs of the gastrointestinal tract , particularly the liver . [ 2 ]
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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