Sorex emarginatus, Jackson, 1925
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publication ID |
https://doi.org/ 10.5281/zenodo.6870843 |
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DOI |
https://doi.org/10.5281/zenodo.6869716 |
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persistent identifier |
https://treatment.plazi.org/id/3D474A54-A030-875C-FFF5-AED713D6F500 |
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treatment provided by |
Felipe |
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scientific name |
Sorex emarginatus |
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Zacatecas Shrew
French: Musaraigne de la Sierra Madre / German: Zacatecas-Spitzmaus / Spanish: Musarana de Zacatecas
Other common names: Jackson's Shrew, Sierra Madre Long-tailed Shrew, Zacatecas Long-tailed Shrew
Taxonomy. Sorex emarginatus H. H. T. Jack- son, 1925 View in CoL ,
“ Sierra Madre near Bolanos , altitude 7,600 feet [= 2316 m], State of Jalisco, Mexico.” Restricted by L. N. Car- raway in 2007 to “latitude 21-68°N, longitude 103-78°W.”
S. emarginatus is in the S. cinereus group and subgenus Otisorex. It is closest to (and possibly conspecific with) S. milleri and the south-western lineage in S. cinereus . Monotypic.
Distribution. Durango, Zacatecas, and Jalisco, WC Mexico. View Figure
Descriptive notes. Head—body 50-63 mm, tail 38-44 mm, ear 5—7 mm, hindfoot 11-13 mm; weight 5-6-5 g. The Zacatecas Shrew is small. Dorsum is dark grayish brown, venter is paler grayish brown, and hips and rump are more medium brown. Tail is c.65-75% of head-body length, narrow, and distinctly bicolored, being dark brown above and lighter below. I, has pigment in one section and in long strip at anteromedial edge. Teeth are pigmented dark red. There are five unicuspids, third is greater than or equal to fourth, and fifth is minute.
Habitat. Cold temperate forests near tops of mountain ranges at elevations of 1830-3660 m.
Food and Feeding. Zacatecas Shrews probably feed on various small invertebrates and possibly carrion and plant material.
Breeding. Lactating Zacatecas Shrews have been captured in July-August.
Activity patterns. No information.
Movements, Home range and Social organization. No information.
Status and Conservation. Classified as Least Concern on The IUCN Red List. Its relatively small distribution and deforestation from urban and agricultural expansion seem to be the largest threats facing the Zacatecas Shrew.
Bibliography. Avila (2014a), Carraway (2007), Esteva et al. (2010), Hope et al. (2012), Matson, de Grammont & Castro-Arellano (2017).
No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.
