Markham's Grass Mouse
Encyclopedia
Abrothrix olivaceus markhami, also known as the Wellington Akodont or Markham's Grass Mouse, is a subspecies
Subspecies
Subspecies in biological classification, is either a taxonomic rank subordinate to species, ora taxonomic unit in that rank . A subspecies cannot be recognized in isolation: a species will either be recognized as having no subspecies at all or two or more, never just one...
of the South American rodent
Rodent
Rodentia is an order of mammals also known as rodents, characterised by two continuously growing incisors in the upper and lower jaws which must be kept short by gnawing....
Abrothrix olivaceus. It occurs on Wellington Island
Wellington Island
Wellington Island is an island west of Southern Patagonian Ice Field, Chile. It has an area of 5,556 km² and most of the island forms part of Bernardo O'Higgins National Park. It is home to the last Kawésqar people, living the village of Puerto Edén, the only inhabited place on the...
and the nearby Southern Patagonian Ice Field
Southern Patagonian Ice Field
The Southern Patagonian Ice Field , located at the Southern Patagonic Andes between Argentina and Chile, is the second largest contiguous extrapolar extent of ice in the world...
in southern Chile
Chile
Chile ,officially the Republic of Chile , is a country in South America occupying a long, narrow coastal strip between the Andes mountains to the east and the Pacific Ocean to the west. It borders Peru to the north, Bolivia to the northeast, Argentina to the east, and the Drake Passage in the far...
. It was previously recognized as a valid species, but is close to other recognized subspecies of A. olivaceus.
Literature cited
- Musser, G.G. and Carleton, M.D. 2005. Superfamily Muroidea. Pp. 894–1531 in Wilson, D.E. and Reeder, D.M. (eds.). Mammal Species of the World: a taxonomic and geographic reference. 3rd ed. Baltimore: The Johns Hopkins University Press, 2 vols., 2142 pp. ISBN 978-0-8018-8221-0
- Patterson, B. and D'Elia, G. 2008. . In IUCN. IUCN Red List of Threatened Species. Version 2009.2. <www.iucnredlist.org>. Downloaded on January 12, 2010.
- Rodríguez-Serrano, E., Hernández, C.E. and Palma, R.E. 2008. A new record and an evaluation of the phylogenetic relationships of Abrothrix olivaceus markhami (Rodentia: Sigmodontinae). Mammalian Biology 73(4):309–317.