| 词条 | Southeastern shrew |
| 释义 |
| name = Southeastern shrew[1] | image =Dismal Swamp southeastern shrew.jpg | image_caption =A dismal swamp southeastern shrew, Sorex longirostris fisheri | status = LC | status_system = iucn3.1 | status_ref = [2] | genus = Sorex | species = longirostris | authority = Bachman, 1837 | synonyms = | range_map = Southeastern Shrew area.png | range_map_caption = Southeastern shrew range }} The southeastern shrew (Sorex longirostris) is a species of mammal in the family Soricidae. It is found in the southeastern United States.[2] DescriptionThe southeastern shrew (Sorex Longirostris) is reddish-brown above on its back, head area while the shrew is grayish below in the abdomen area. The shrew's long tail is vaguely bi-colored, with dark and light brown as the color. The southeastern shrew is slightly smaller and more reddish than the masked shrew, which looks very similar to the southeastern shrew. Shrews possess lengthy pointed snouts, tiny eyes and ears. Their hearing and smell are very acute. The tips of the incisor teeth are dark chestnut in color. The pigmentation on the tip of their teeth is caused by deposition of iron in the outer pigmented teeth. It weighs in at 0.11-0.14 ounces and has an approximate total length of 2-4 inches. Their lifespan in the wild is rarely more than a year, but they can live as long as 18 or 19 months.[3] BreedingThe breeding season takes place from March–October and 1 to 2 litters is produced with 1-6 young per litter. The nests are composed of leafy material and fine grasses and are often found in rotting logs. BehaviorThe Southeastern shrew (Sorex Longirostris) are active during the day and night, usually hunting for insects to eat. They make a chipping noise that can be heard occasionally. Southeastern shrews are active, spending most of their time in the underground burrows of other animals and rooting beneath the leaf litter feeding on the forest floor[4] DistributionThe habitat for the southeastern shrews include forests & woodlands, scrub, shrub & brushlands, Meadows & fields, Swamps, marshes & bogs. Southeastern shrews are active both day and night, spending most of their time in the underground burrows of other animals and rooting beneath the leaf litter on the forest floor. The shrews have a population density of 12 individuals per acre.[5] Predator and PreyPrey: small spiders, small moth caterpillars, small crickets, harvestmen, small beetles and beetle larvae, and centipedes Predators: snakes, owls, hawks, and carnivorous mammals such as opossums, foxes, bobcats, weasels, and skunks.[6] References1. ^{{MSW3 Hutterer | pages = 290–291}} {{Soricomorpha|S2.}}{{Taxonbar|from=Q1769703}}2. ^1 {{IUCN2009.2|assessor=Hammerson, G.|year=2008|id= 41401|title=Sorex longirostris|downloaded=8 February 2010}} 3. ^{{Cite web|url=http://pick4.pick.uga.edu/nh/tx/Vertebrata/Mammalia/Soricidae/Sorex/longirostris/|title=Sorex longirostris Bachman; Southeastern Shrew|website=pick4.pick.uga.edu|access-date=2017-03-30}} 4. ^{{Cite web|url=http://www.tnwatchablewildlife.org/details2.cfm?sort=aounumber&uid=11081613044596306&commonname=Southeastern%20Shrew&DISPLAYHABITAT=&typename=Mammal&Taxonomicgroup=Mammal%20-%20Small|title=Tennessee Watchable Wildlife {{!}} Southeastern Shrew|website=www.tnwatchablewildlife.org|access-date=2017-03-30}} 5. ^{{Cite web|url=http://www.outdooralabama.com/southeastern-shrew|title=Southeastern Shrew|last=Anonymous|date=2014-07-16|website=Outdoor Alabama|language=en|access-date=2017-03-30}} 6. ^{{Cite web|url=https://www.dgif.virginia.gov/wildlife/information/dismal-swamp-southeastern-shrew/|title=Dismal Swamp southeastern shrew {{!}} VDGIF|website=www.dgif.virginia.gov|language=en|access-date=2017-03-30}} 3 : Sorex|Fauna of the Southeastern United States|Mammals described in 1837 |
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