References Marsh shrew

sources:

anthony, r. g.; forsman, e. d.; green, g. a.; witmer, g.; nelson, s. k. (1987). small mammal populations in riparian zones of different-aged coniferous forests . murrelet. 68 (3): 94. doi:10.2307/3534114. jstor 3534114. 
george, s. b. (1988). systematics, historical biogeography, , evolution of genus sorex . journal of mammalogy. 69 (3): 443. doi:10.2307/1381337. jstor 1381337. 
hutterer, r. (2005). order soricomorpha . in wilson, d.e.; reeder, d.m. mammal species of world: taxonomic , geographic reference (3rd ed.). johns hopkins university press. p. 285. isbn 978-0-8018-8221-0. oclc 62265494. 
natureserve (hammerson, g.) (2008). sorex bendirii . iucn red list of threatened species. version 2014.3. international union conservation of nature. retrieved 21 december 2014. 
merriam, c hart (1884). new genus , species of sorecidae. press of l. s. foster. retrieved 20 december 2014. 
nagorsen, david w. (1996). opossums, shrews , moles of british columbia. ubc press. isbn 978-0-7748-0563-6. 
o neill, m b; nagorsen, d w; baker, r j (november 2005). mitochondrial dna variation in water shrews western north america: implications taxonomy , phylogeography . canadian journal of zoology. 83 (11): 1469–1475. doi:10.1139/z05-146. 
pattie, donald (13 june 1973). sorex bendirii (pdf). mammalian species. 27: 1–2. doi:10.2307/3503886. retrieved 21 december 2014. 
pattie, d. l. (1969). behavior of captive marsh shrews (sorex bendirii) . murrelet. 50 (3): 27–32. doi:10.2307/3535348. jstor 3535348. 
strait, s. g.; smith, s. c. (august 2006). elemental analysis of soricine enamel: pigmentation variation , distribution in molars of blarina brevicauda . journal of mammalogy. american society of mammalogists. 87 (4): 700–705. doi:10.1644/05-mamm-a-265r4.1. retrieved 2015-02-15. 
verts, b.j.; carraway, leslie n (1998). land mammals of oregon. berkeley: university of california press. isbn 9780520211995. retrieved 15 november 2014. 
whitaker, john o; walters, brianne l.; castor, linda k; ritzi, christopher m.; wilson, nixon (24 july 2007). host , distribution lists of mites (acari), parasitic , phoretic, in hair or on skin of north american wild mammals north of mexico: records since 1974 . faculty publications harold w. manter laboratory of parasitology.  |access-date= requires |url= (help)