|Scientific Name:||Baiomys taylori|
|Species Authority:||(Thomas, 1887)|
|Red List Category & Criteria:||Least Concern ver 3.1|
|Assessor(s):||Timm, R., Álvarez-Castañeda, S., Castro-Arellano, I. & Lacher, T.|
|Reviewer(s):||McKnight, M. (Global Mammal Assessment Team) & Amori, G. (Small Nonvolant Mammal Red List Authority)|
This species is listed as Least Concern in because of its wide distribution, presumed large population, tolerance to some degree of habitat modification, and because it is unlikely to be declining at nearly the rate required to qualify for listing in a threatened category.
|Range Description:||The range of this species extends northward from Michoacán, central Hidalgo, and central Veracruz, México in central Mexico in three prongs, with the central and eastern prongs reaching the southwestern United States. The western prong extents to southern Sonora (Mexico), the middle projection extends to southeastern Arizona and southwest New Mexico (USA) and the eastern projection extends to northern and eastern Texas southwest Oklahoma (USA) (Musser and Carleton 2005). It is known from lowlands to 2,438 m (Wilson and Ruff 1999).|
Native:Mexico; United States
|Range Map:||Click here to open the map viewer and explore range.|
|Population:||This rodent is not in general common, but it can be locally common and it is expanding its range. It is sometimes considered a pest in agriculture. Population density ranges from 2 to 84 per hectare, and is lowest during summer and highest during autumn and winter (Wilson and Ruff 1999). Densities are highest in areas of dense ground cover.|
|Habitat and Ecology:||
This mouse occurs in a variety of habitats including coastal prairie, midgrass prairie, mixed-grass prairie, mixed-desert shrub, prickly pear-short grass communities, post oak savanna, pine-oak forest, and oak-hickory associations. Dense ground cover is a common denominator of occupied habitats. This species does well in disturbed habitats.
It eats the stems and fruit of prickly pear cactus, grass seeds, grass leaves, mesquite beans, and granjero berries. It breeds year-round with peaks in late fall and early spring. Gestation lasts 20 to 23 days, the litter size averages 2.5 (range 1 to 5). The mouse’s median life span is 23 weeks, with a maximum record life span of 170 weeks for laboratory-reared animals (Wilson and Ruff, 1999).
|Major Threat(s):||There are no known major threats.|
|Conservation Actions:||There are no known conservation measures for this species. However, there are several protected areas within its range.|
|Citation:||Timm, R., Álvarez-Castañeda, S., Castro-Arellano, I. & Lacher, T. 2008. Baiomys taylori. The IUCN Red List of Threatened Species. Version 2015.2. <www.iucnredlist.org>. Downloaded on 29 August 2015.|
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