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The Lowland Paca (Cuniculus paca), also known as the Spotted Paca, is a large rodent found in tropical and sub-tropical America, from East-Central Mexico to Northern Argentina. It is called paca in most of its range, but tepezcuintle in most of Mexico and Central America, jaleb in the Yucatan peninsula, conejo pintado in Panamá, guanta in Ecuador, majás or picuro in Peru, jochi pintado in Bolivia, and boruga in Colombia. It is also known as the gibnut in Belize, where it is prized as a game animal, labba in Guyana, lapa in Venezuela, and lappe on the island of Trinidad.
There is much confusion in the nomenclature of this and related species; see agouti. In particular, the popular term agouti or common agouti normally refers to species of the distinct Dasyprocta genus (such as the Central American Agouti, Dasyprocta punctata). Sometimes the word agouti is also used for a polyphyletic grouping uniting the families Cuniculidae and Dasyproctidae, which, besides the pacas and common agoutis, includes also the acouchis (Myoprocta). Cuniculus is the appropriate genus name instead of Agouti based on a 1998 ruling of the International Code of Zoological Nomenclature as the Lowland Paca's genus.
The Lowland Paca has coarse fur without underfur, dark brown to black on the upper body and white or yellowish on the underbelly. It usually has three to five rows of white spots along its sides, against a dark grey background. It has thick strong legs, with four digits in the forefeet and five in the hind feet (the first and fifth are reduced); the nails function as hooves. The tail is short and hairless. The zygomatic arch is expanded laterally and dorsally and is used as a resonating chamber - a unique feature among mammals.
An adult Lowland Paca weighs between 6 and 12 kg (13 and 26 lb). It has two litters per year, each having usually one young, sometimes two; gestation lasts 115–120 days. Pacas are sexually mature at about 1 year.
The Lowland Paca is mostly nocturnal and solitary and does not vocalize very much. It lives in forested habitats near water, preferably smaller rivers, and dig simple burrows about 2 m (6 ft 7 in) below the surface, usually with more than one exit. The Lowland Paca is a good swimmer and usually heads for the water to escape danger. It also is an incredible climber and it searches for fruit in the trees. Its diet includes leaves, stems, roots, seeds, and fruit, especially avocados, mangos and zapotes. It sometimes stores food.
Economical and ecological aspects
The Lowland Paca is considered an agricultural pest for yam, cassava, sugar cane, corn and other food crops. Its meat has excellent flavor and is highly prized. It is plentiful in protected habitats, and hence not in danger of extinction, but overall its numbers have been much reduced because of hunting and habitat destruction. It is easily bred and raised in farms, although the taste is said to be inferior (perhaps unpleasant) when farmed.
- ^ Woods, Charles A.; Kilpatrick, C. William (16 November 2005). "Infraorder Hystricognathi (pp. 1538-1600)". In Wilson, Don E., and Reeder, DeeAnn M., eds. Mammal Species of the World: A Taxonomic and Geographic Reference (3rd ed.). Baltimore: Johns Hopkins University Press, 2 vols. (2142 pp.). pp. 1538-1600. ISBN 978-0-8018-8221-0. OCLC 62265494. http://www.bucknell.edu/msw3/browse.asp?id=13400270.
- ^ Queirolo, D., Vieira, E., Emmons, L. & Samudio, R. (2008). Cuniculus paca. In: IUCN 2008. IUCN Red List of Threatened Species. Downloaded on 5 January 2009.
- ^ http://books.google.com/books?id=9r9E_HBDAF0C&pg=PA7&lpg=PA7&dq=paca+boruga&source=bl&ots=iJKf7_ZRwz&sig=85N_UMlVKN-zmNktvXgJiSEuq_o&hl=en&ei=LhGlTOGcOo6ssAOQ6tn-Dg&sa=X&oi=book_result&ct=result&resnum=1&ved=0CBIQ6AEwAA#v=onepage&q=paca%20boruga&f=false
- ^ Woods, Charles A.; Kilpatrick, C. William (16 November 2005). "Infraorder Hystricognathi (pp. 1538-1600)". In Wilson, Don E., and Reeder, DeeAnn M., eds. Mammal Species of the World: A Taxonomic and Geographic Reference (3rd ed.). Baltimore: Johns Hopkins University Press, 2 vols. (2142 pp.). ISBN 978-0-8018-8221-0. OCLC 62265494. http://www.bucknell.edu/msw3/browse.asp?id=13400269.