''Scotinomys'' is a genus of

rodent Rodents (from Latin , 'to gnaw') are mammals of the order Rodentia (), which are characterized by a single pair of continuously growing incisors in each of the upper and lower jaws. About 40% of all mammal species are rodents. They are na ...

, the singing mice, in the family

Cricetidae The Cricetidae are a family of rodents in the large and complex superfamily Muroidea. It includes true hamsters, voles, lemmings, muskrats, and New World rats and mice. At almost 608 species, it is the second-largest family of mammals, and has m ...

. Together with ''

Baiomys ''Baiomys'' is the genus of New World pygmy mice. Together with '' Scotinomys'', it forms the tribe Baiomyini. It currently contains two extant species: *Southern pygmy mouse, '' Baiomys musculus'' *Northern pygmy mouse, '' Baiomys taylori'' ...

'', it forms the tribe

Baiomyini Baiomyini is a tribe of rodents in the subfamily Neotominae occurring from the southern United States to Panama. It includes the genera ''Baiomys'' and ''Scotinomys ''Scotinomys'' is a genus of rodent, the singing mice, in the family Cricetida ...

. It contains the following species: * Alston's brown mouse (''Scotinomys teguina'') * Chiriqui brown mouse (''Scotinomys xerampelinus'') They are found in mountainous areas in Central America, at altitudes of 1000 m to at least 3500 m. As their common name indicates, they are notable for their acoustic communication. They are insectivorous. The two species show substantial divergence in behaviour and reproduction,Hooper, E. T., & Carleton, M. D. (1976). Reproduction, growth and development in two contiguously allopatric rodent species, genus ''Scotinomys''. ''Miscellaneous Publications of the Museum of Zoology, University of Michigan, 151'', 1-52

/ref> with ''S. xerampelinus'' generally dominant over ''S. teguina'' where the species occur together.

References

Scotinomys, Rodent genera Taxa named by Oldfield Thomas Taxonomy articles created by Polbot {{Cricetidae-stub