Habitat and Ecology
This species favors cold environments (Reid 1997). It is terrestrial, traveling in runways under logs and among rocks or through dense vegetation. Almost entirely insectivorous in diet, it prefers larval beetles, which are probably located by smell. Little nest-building activity occurs in captivity, and nests have not been found in the wild. It appears to breed year-round; litters size is 2 to 4 young, averaging 2.7 (Reid 1997).
Molecular Biology and Genetics
Statistics of barcoding coverage: Scotinomys xerampelinus
Public Records: 0
Specimens with Barcodes: 13
Species With Barcodes: 1
IUCN Red List Assessment
Red List Category
Red List Criteria
Chiriqui brown mouse
The Chiriqui brown mouse (Scotinomys xerampelinus), also known as the long-tailed singing mouse, is a species of rodent in the family Cricetidae. It is found in cloud forest and paramo at elevations of 2100 to 3400 m in Costa Rica and Panama.
Male Chiriqui brown mice sing to attract mates and to warn off other males from their territories. Their songs also serve to repel members of the related, smaller, competing species, S. teguina.
- Samudio, R., Timm, R., Pino, J., Woodman, N. & Reid, F. (2008). "Scotinomys xerampelinus". IUCN Red List of Threatened Species. Version 2013.1. International Union for Conservation of Nature. Retrieved 2013-10-08.
- Musser, G. G.; Carleton, M. D. (2005). "Superfamily Muroidea". In Wilson, D. E.; Reeder, D. M. Mammal Species of the World (3rd ed.). Johns Hopkins University Press. p. 1086. ISBN 978-0-8018-8221-0. OCLC 62265494.
- Arnold, C. (2013-10-04). "Musical Mice Sing to Fend Off Rivals". National Geographic. Retrieved 2013-10-08.
- Pasch, B.; Bolker, B. M.; Phelps, S. M. (2013-09-09). "Interspecific Dominance Via Vocal Interactions Mediates Altitudinal Zonation in Neotropical Singing Mice". The American Naturalist (The American Society of Naturalists). JSTOR 10.1086/673263.
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