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.[2] It is found in cloud forest and paramo at elevations of 2100 to 3400 m in Costa Rica and Panama.[1]

Chiriqui brown mouse
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Order: Rodentia
Family: Cricetidae
Subfamily: Neotominae
Genus: Scotinomys
Species:
S. xerampelinus
Binomial name
Scotinomys xerampelinus
(Bangs, 1902)

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.[3][4] Additionally, the length and aggression of male Chiriqui brown mice's calls are modulated by androgen.[5]

References

  1. Samudio, R.; Timm, R.; Pino, J.; Woodman, N. & Reid, F. (2008). "Scotinomys xerampelinus". IUCN Red List of Threatened Species. 2008. Retrieved 2013-10-08.CS1 maint: ref=harv (link)
  2. Musser, G.G.; Carleton, M.D. (2005). "Superfamily Muroidea". In Wilson, D.E.; Reeder, D.M (eds.). Mammal Species of the World: A Taxonomic and Geographic Reference (3rd ed.). Johns Hopkins University Press. p. 1086. ISBN 978-0-8018-8221-0. OCLC 62265494.
  3. Arnold, C. (2013-10-04). "Musical Mice Sing to Fend Off Rivals". National Geographic. Retrieved 2013-10-08.
  4. Pasch, B.; Bolker, B. M.; Phelps, S. M. (2013-09-09). "Interspecific Dominance Via Vocal Interactions Mediates Altitudinal Zonation in Neotropical Singing Mice" (PDF). The American Naturalist. The American Society of Naturalists. 182 (5): E161–E173. doi:10.1086/673263. hdl:2152/31196. PMID 24107377.
  5. Pasch, Bret; George, Andreas S.; Hamlin, Heather J.; Guillette, Louis J.; Phelps, Steven M. (January 2011). "Androgens modulate song effort and aggression in Neotropical singing mice". Hormones and Behavior. 59 (1): 90–97. doi:10.1016/j.yhbeh.2010.10.011.


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