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Elephant shrew
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==Description== [[File:Macroscelidid skeleton.png|thumb|left|Skeleton of [[North African elephant shrew]].]] Elephant shrews are small, quadrupedal, insectivorous mammals. They have scaly tails, long snouts, and bear a superficial resemblance to shrews or rodents. They have long legs relative to their size, which are used to move from one place to another like rabbits. Elephant shrews use their flexible [[proboscis]]es to search for food, with the length of the snout varying between species. They are one of the fastest small mammals, having been recorded to reach speeds of {{convert|28.8|kph|mph}}.<ref>{{Cite web |url=https://www.bbc.co.uk/nature/25729116 |date=16 January 2014 |title=Secrets of the sengi: the world's fastest small mammal |first=Ella|last=Davies |work=BBC Nature |archive-url=https://web.archive.org/web/20140116164525/https://www.bbc.co.uk/nature/25729116 |archive-date=2014-01-16}}</ref> They vary in size from about {{convert|10|to|30|cm|in}}, from {{convert|50|to|500|g}}.{{citation needed|date=July 2024}} One species of [[giant sengi]], the [[grey-faced sengi]], weighs about 700 g. Compared to other mammalian insectivores, sengis have [[encephalization quotient|relatively large brains]].<ref name="Iwaniuk2013">{{cite journal|last1= Iwaniuk|first1=A.|last2= Kaufman|first2=J.A.|last3= Turner|first3=G.H.|last4= Holroyd|first4=P.A.|last5= Rovero|first5=F.|last6= Grossman|first6=A.|title= Brain Volume of the Newly-Discovered Species ''Rhynchocyon udzungwensis'' (Mammalia: Afrotheria: Macroscelidea): Implications for Encephalization in Sengis |journal=PLOS ONE|volume= 8|issue= 3|year= 2013|pages= e58667|doi= 10.1371/journal.pone.0058667|pmid=23516530|pmc=3596274|bibcode=2013PLoSO...858667K|doi-access= free}}</ref> Their lifespans are about two and a half to four years in the wild.<ref>{{cite journal |title=Elephant shrew |journal=Encyclopedia of Animals |date=2017 |page=1 |url=https://research.ebsco.com/linkprocessor/plink?id=0af0c440-a984-3ec3-a066-6bf462fc6590 }}</ref> They have large canine teeth, and also high-crowned [[Molar (tooth)|cheek teeth]] similar to those of [[ungulate]]s.<ref name=EoM>{{Cite book|editor=Macdonald, D.|author=[[Galen Rathbun|Rathbun, Galen]] B.|year=1984|title=The Encyclopedia of Mammals|publisher=Facts on File|location=New York|pages=[https://archive.org/details/encyclopediaofma00mals_0/page/730 730β733]|isbn=978-0-87196-871-5|url-access=registration|url=https://archive.org/details/encyclopediaofma00mals_0/page/730}}</ref> Their [[dentition|dental formula]] is {{DentalFormula|upper=1-3.1.4.2|lower=3.1.4.2-3}}G{{citation needed|date=July 2024}}
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