| 词条 | Woolly giant rat |
| 释义 |
| status = LC | status_system = IUCN3.1 | status_ref = [1] | genus = Kunsia | species = tomentosus | authority = Lichtenstein, 1830 }} The woolly giant rat (Kunsia tomentosus) is a species of large burrowing rodent native to South America.[1] No subspecies are currently recognised. DescriptionThe woolly giant rat is an exceptionally large rat, the largest living species of sigmodontine rodent, with short limbs and powerful claws. Nonetheless, individuals vary considerably in size, ranging from {{convert|19|to|29|cm|abbr=on}} in head-body length, with a relatively short tail {{convert|15|to|20|cm|abbr=on}} long. Body weight varies from {{convert|240|to|630|g|abbr=on}}; no other sigmodontine species has a maximum weight above {{convert|400|g|abbr=on}}. The fur is thick and coarse, with an almost uniform shade of dark grey or brown across the whole of the body, although slightly paler on the throat and underside. The tail is scaly and almost hairless, and dark grey to blackish in colour. The rhinarium is large, and the ears short and rounded. Females have eight teats.[2] Distribution and habitatWoolly giant rats inhabit the cerrado of central Brazil, and the Llanos de Moxos of northern Bolivia between {{convert|60|and|750|m|abbr=on}} elevation. Within Brazil, they are recorded from the states of Goiás, Mato Grosso and Rondônia. The rats live in areas of open grassland, grassy shrub, and savannah woodland, and are not found in more densely forested habitats.[2] Biology and behaviourThe rats are omnivorous, feeding on the roots of grasses, and on termites and orthoptera, which they locate by smell.[3] They are thought to be either nocturnal or crepuscular,[2] but to spend most of the time underground in burrows, emerging primarily during the rainy season.[1] Little is known of the rats' biology, although they are thought to breed twice a year.[3] References1. ^1 2 {{IUCN2008|assessors=Marinhio-Filho, J. & Vieira, E.|year=2008|id=11061|title=Kunsia tomentosus|downloaded=15 April 2009}} {{Taxonbar|from=Q1767566}}2. ^1 2 {{cite journal |author = Bezerra, A.M.R. |author2=Pardiñas, U.F.J. | date = January 2016 | title = Kunsia tomentosus (Rodentia: Cricetidae) | journal = Mammalian Species | volume = 48 | issue = 930 | pages = 1–9 | doi = 10.1093/mspecies/sev013}} 3. ^1 {{cite journal |author = Bezerra, A.M.R.|display-authors=etal | date = June 2007 | title = New data on the distribution, natural history and morphology of Kunsia tomentosus (Lichtenstein, 1830) (Rodentia: Cricetidae: Sigmodontinae) | journal = Zootaxa | volume = 1505 | pages = 1–18 | url = http://www.mapress.com/zootaxa/2007/zt01505p018.pdf}} 4 : Kunsia|Mammals of Bolivia|Mammals of Brazil|Mammals described in 1830 |
| 随便看 |
|
开放百科全书收录14589846条英语、德语、日语等多语种百科知识，基本涵盖了大多数领域的百科知识，是一部内容自由、开放的电子版国际百科全书。