|Lowland paca range|
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. Introduced to Cuba, Bahamas, Jamaica and Hispaniola. It is called paca in most of its range, but tepezcuintle in most of Mexico and Central America, pisquinte in northern Costa Rica, jaleb in the Yucatán peninsula, conejo pintado in Panama, guanta in Ecuador, majás or picuro in Peru, jochi pintado in Bolivia, and boruga, tinajo, or guartinaja 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 Commission on Zoological Nomenclature as the Lowland Paca's genus.
The word "paca" comes from a word in the Tupi language that designates the animal but also means "awaken, alert." "Tepezcuintle" is of Nahuatl origin, meaning mountain dog: tepetl = mountain; itzquintli = dog.
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 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, C.A.; Kilpatrick, C.W. (2005). "Infraorder Hystricognathi". In Wilson, D.E.; Reeder, D.M. Mammal Species of the World: A Taxonomic and Geographic Reference (3rd ed.). Johns Hopkins University Press. pp. 1u38–1600. ISBN 978-0-8018-8221-0. OCLC 62265494.
- Queirolo, D.; Vieira, E.; Emmons, L. & Samudio, R. (2008). "Cuniculus paca". IUCN Red List of Threatened Species. Version 2008. International Union for Conservation of Nature. Retrieved 5 January 2009.
- IUCN (International Union for Conservation of Nature) 2008. Cuniculus paca. In: IUCN 2015. The IUCN Red List of Threatened Species. Version 2015.2. http://www.iucnredlist.org. Downloaded on 09 July 2015.
- Long, J. L. (2003). Introduced Mammals of the World: Their History, Distribution and Influence. Csiro Publishing, Collingwood, Australia. ISBN 9780643099166
- (in Spanish) Fauna y flora de la cuenca media del Río Lebrija en Rionegro, Santander - Humboldt Institute
- Woods, C.A.; Kilpatrick, C.W. (2005). "Infraorder Hystricognathi". In Wilson, D.E.; Reeder, D.M. Mammal Species of the World: A Taxonomic and Geographic Reference (3rd ed.). Johns Hopkins University Press. pp. 1538–1600. ISBN 978-0-8018-8221-0. OCLC 62265494.
- "Archived copy". Archived from the original on 2012-08-09. Retrieved 2012-09-10.
- FERREIRA, A. B. H. Novo Dicionário da Língua Portuguesa. Segunda edição. Rio de Janeiro: Nova Fronteira, 1986. p. 1 243
- Domestication and husbandry of the paca (Agouti paca). Food and Agriculture Organization of the United Nations. 1995. ISBN 9789251036402.
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