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| Format: | Recurso digital |
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Zenodo
2017
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| Accés en línia: | https://doi.org/10.5281/zenodo.6836085 |
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Taula de continguts:
- <p><b>563.</b></p><p><b>Ryukyu Mouse</b></p><p><b><i>Mus caroli</i></b></p><p><b><b>French:</b> Souris de Rothschild / <b>German:</b> Reisfeldmaus / <b>Spanish:</b> Raton de Ryukyu</b></p><p><b><b>Other common names:</b> Ricefield Mouse</b></p><p><b>Taxonomy.</b> Mus caroli Bonhote, 1902,</p><p>“Okinawa [Island], Liu-Kin [= Ryukyu] Islands,”</p><p>Japan.</p><p>Placed in subgenus Mus by J. T. Marshall</p><p>in 1977; according to a 2010 molecular phylogeny of T. Shimada andcolleagues, it belongs to a clade that also includes M. cooku and M. cervicolor. The species seems to present a high morphological variability acrossits range. Monotypic.</p><p><b>Distribution.</b> S China (Yunnan, Guizhou,</p><p>Guangxi, Guangdong, Fujian, and Hainan), Taiwan, Vietnam, Laos, Cambodia, S Myanmar, and Thailand; also present in Peninsular Malaysia, Sumatra and adjacent Is, E Java and adjacent Madura I, and Japan (Okinawa I), but origin is uncertain. Introduced to Flores I, Indonesia.</p><p><b>Descriptive notes.</b> Head—body 62-95mm,tail 65-95 mm, ear 12-14 mm, hindfoot 15-19 mm; weight 11-5-19-5 g. This medium-sized mouse has grayish-brown dorsal pelage, with stiff fur, and gray-white ventral pelage. Tail is about the same length as head-body length. On the skull, incisors project forwards (proodont) and nasal bone is short.</p><p><b>Habitat.</b> Pine grass savanna or grass patches in deciduous forests of Thailand. The Ryukyu Mouse is common in rice fields and secondary forest.</p><p><b>Food and Feeding.</b> Diet consists of plant matter and insects.</p><p><b>Breeding.</b> In captivity, females may raise litters of 5-6 young in a round nest made of grass.</p><p><b>Activity patterns.</b> Ryukyu Mice are terrestrial and primarily nocturnal. Some individuals are seen out of the burrows during the day.</p><p><b>Movements, Home range and Social organization.</b> The Ryukyu Mouse digs burrows with two entrances leading to a chamber. Burrow entrances are opened at night and signaled by small mounds offreshly excavated soil.</p><p><b>Status and Conservation.</b> Classified as Least Concern on The IUCN Red List.</p><p><b>Bibliography.</b> Lekagul & McNeely (1977), Marshall (1977a), Musser & Carleton (2005), Shimada et al. (2010), Smith & Yan Xie (2008).</p>