Mexican volcano mouse
|Mexican volcano mouse
Temporal range: Pleistocene – Recent
Taxonomy and systematics
Merriam originally described the Mexican volcano mouse as one of three species in the genus Neotomodon; N. alstoni was moved to the deer mouse genus Peromyscus in 1979, then subsequently moved back to Neotomodon. Merriam does not state after whom the species is named in his original description for the genus (and species). Despite the current taxonomy, a recent phylogeny based on cytochrome-b sequences shows Peromyscus to be polyphyletic, and the authors of that paper suggest Neotomodon (and several other monotypic genera) be transferred to Peromyscus.
With relatively large eyes and ears, bi-colored body and tail (dark dorsally and white ventrally), and a tail slightly shorter than the body length, the Mexican volcano mouse appears very similar to a deer mouse, but it is diagnosed by several skull characters including the number and extent of palatal ridges and molar characteristics.
Mexican volcano mouse breeding is thought to occur between June and September, with two to three litters per year of 3.3 young per litter. The mouse exhibits bi-parental care in captivity, which suggests a monogamous mating system. Little is known about other life history characteristics of the species, for example, sex ratio, age at first breeding, etc.
- Álvarez-Castañeda, S.T. & Castro-Arellano, I. (2008). Neotomodon alstoni. In: IUCN 2012. IUCN Red List of Threatened Species. Version 2012.2.
- Williams, S. L., J. Ramirez-Pulido, and R. J. Baker (1985). "Mammalian Species: Peromyscus alstoni" (PDF) 242. pp. 1–6.
- Merriam C. H. (1898). "A new genus (Neotomodon) and three new species of murine rodents from the mountains of southern Mexico" (PDF). Proceedings of the Biological Society of Washington 12: 127–129.
- Bradley, Robert D., Nevin D. Durish, Duke S. Rogers, Jacqueline R. Miller, Mark D. Engstrom, and C. William Kilpatrick (2007). "Toward a Molecular Phylogeny for Peromyscus: Evidence from Mitochondrial Cytochrome-b Sequences". Journal of Mammalogy 88 (5): 1146–1159. doi:10.1644/06-MAMM-A-342R.1. PMC 2778318. PMID 19924266.
- Luis, J., A. Carmona, J. Delgado, F. A Cervantes, and R. Cardenas. (2000). "Parental behavior of the volcano mouse, Neotomodon alstoni (Rodentia: Muridae), in captivity". Journal of Mammalogy 81 (2): 600. doi:10.1644/1545-1542(2000)081<0600:PBOTVM>2.0.CO;2.
- 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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