Southern pygmy mouse
| Southern pygmy mouse | |
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Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Mammalia |
| Order: | Rodentia |
| Family: | Cricetidae |
| Subfamily: | Neotominae |
| Genus: | Baiomys |
| Species: | B. musculus
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| Binomial name | |
| Baiomys musculus (Merriam, 1892)
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The southern pygmy mouse (Baiomys musculus) is a species of rodent in the family Cricetidae. It is found in El Salvador, Guatemala, Honduras, Mexico, and Nicaragua.[citation needed]
Habitat
[edit]Coastal animals are larger on average. They prefer open canopy areas with grasses and less dead wood or bare ground. In general they are found in open areas with thick low vegetation.[2] They are also found in rocky areas.[3]
Description
[edit]The outer coat of the southern pygmy mouse varies from a reddish brown to almost black. The under belly is lighter in tone than the back ranging from pinkish buff to white. Juveniles are born with a gray coat that slowly turns brown as they mature.[3] Uncharacteristically of other members in the family Cricetidae they have 14 cheek teeth instead of 12.[4]
Reproduction
[edit]Breeding occurs year-round but rates are not constant throughout the year. During the winter and spring there are fewer litters born. Individuals living in grassy areas dig burrows for nesting while others in rocky areas live under rocks.[3]
Synonyms:
- Baiomys brunneus (J. A. Allen and Chapman, 1897)
- Baiomys nigrescens (Osgood, 1904)
- Baiomys grisescens (Goldman, 1932)
- Baiomys infernatis (Hooper, 1952)
- Baiomys pallidus (Russell, 1952)
- Baiomys handleyi (Packard, 1958)
- Baiomys pullus (Packard, 1958)
- Baiomys nebulosus (Goodwin, 1959)
References
[edit]- ^ Reid, F.; Vázquez, E. (2017) [errata version of 2016 assessment]. "Baiomys musculus". IUCN Red List of Threatened Species. 2016: e.T2465A115062118. doi:10.2305/IUCN.UK.2016-3.RLTS.T2465A22330412.en. Retrieved 23 June 2022.
- ^ Schnell, Gary D.; Poindexter, Cassie J.; Sánchez-Hernández, Cornelio; Romero-Almaraz, María de Lourdes; Kennedy, Michael L.; Best, Troy L.; Wooten, Michael C.; Pérez Jiménez, Alfredo (2008-05-10). "Demographic features and habitat preferences of southern pygmy mice (Baiomys musculus) in Colima, Mexico". Canadian Journal of Zoology. 86 (6): 507–524. doi:10.1139/Z08-026. ISSN 0008-4301.
- ^ a b c Packard, Montgomery, Robert, James (1978-09-21). "Baiomys musculus" (PDF). Mammalian Species (102): 1–3. doi:10.2307/3503780. JSTOR 3503780. Retrieved 2015-11-19.
{{cite journal}}: CS1 maint: multiple names: authors list (link) - ^ Hooper, Emmet T. (1955-05-01). "Extra Teeth in the Pygmy Mouse, Baiomys musculus". Journal of Mammalogy. 36 (2): 298–299. doi:10.2307/1375907. ISSN 0022-2372. JSTOR 1375907.
- Baillie, J. 1996. Baiomys musculus. 2006 IUCN Red List of Threatened Species. Downloaded on 19 July 2007.
- Musser, G. G. and M. D. Carleton. 2005. Superfamily Muroidea. pp. 894–1531 in Mammal Species of the World a Taxonomic and Geographic Reference. D. E. Wilson and D. M. Reeder eds. Johns Hopkins University Press, Baltimore.
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