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The northern short-tailed shrew (Blarina brevicauda) is the largest shrew in the genus Blarina, [3] and occurs in the northeastern region of North America. [4] It is a semifossorial, highly active, and voracious insectivore and is present in a variety of habitats like broadleaved and pine forests among shrubs and hedges as well as grassy river banks. [5]
The genus Blarina, commonly called short-tailed shrews, is a genus of relatively large shrews with relatively short tails found in North America. Description [ edit ]
Short-palated fruit bat: 10,000,000 Isotropic fractionator Pallium (cortex) Casinycteris argynnis [41] Mashona mole-rat: 12,000,000 Isotropic fractionator Pallium (cortex) Fukomys darlingi [46] Woermann's bat: 12,000,000 Isotropic fractionator Pallium (cortex) Megaloglossus woermanni [41] Northern short-tailed shrew: 12,000,000 ± 1,569,000 [43]
The American, or northern, short-tailed shrew (Blarina brevicauda) The woodland vole (Microtus pinetorum) The snowshoe hare (Lepus americanus), typical of Canada, reaches its southernmost distribution in West Virginia.
The northern short-tailed shrew is one of several venomous shrews. The northern short-tailed shrew (Blarina brevicauda), Mediterranean water shrew (Neomys anomalus), and Eurasian water shrew (Neomys fodiens) are capable of delivering a venomous bite.
The North American least shrew will also sometimes live inside beehives and eat all the larvae. It will often share its food with other shrews. It eats more than its body weight each day and is known to store food. [4] [7] The North American least shrew makes its home in burrows or shallow runways under flat stones or fallen logs.
Soricidin is a paralytic oligopeptide found in the venomous saliva of the northern short-tailed shrew (Blarina brevicauda); [1] in the wild, shrews use it to paralyze their prey (typically insects). [2] Its name is a reference to "Soricidae", the family to which shrews belong. [3]
The genus Cryptotis is a group of relatively small shrews with short ears, which are usually not visible, and short tails, commonly called small-eared shrews.They have 30 teeth and are members of the red-toothed shrew subfamily.