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South American coati

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The South American coati (Nasua nasua), also known as the ring-tailed coati, is a coati species and a member of the raccoon family (Procyonidae), found in the tropical and subtropical parts of South America.[4] An adult generally weighs from 2–7.2 kg (4.4–15.9 lb) and is 85–113 cm (33–44 in) long, with half of that being its tail.[5] Its color is highly variable and the rings on the tail may be only somewhat visible, but its most distinguishing characteristic is that it lacks the largely white snout (or "nose") of its northern relative, the white-nosed coati.[5]

South American coati
Temporal range: 0.12600–0 Ma
↓
Pleistocene to Holocene[2]
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Order: Carnivora
Family: Procyonidae
Genus: Nasua
Species:
N. nasua[1]
Binomial name
Nasua nasua[1]
(Linnaeus, 1766)
Subspecies

13, see text

South American coati range. Note: Also found in west Ecuador, and west and north Colombia, see text.
Synonyms

Viverra nasua Linnaeus, 1766

Distribution and habitat

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Skull of a South American coati

The South American coati is widespread in tropical and subtropical South America. It occurs in the lowland forests east of the Andes as high as 2,500 m (8,200 ft) from Colombia and The Guianas south to Uruguay and northern Argentina.[3] Nasua nasua occupancy is significantly and negatively related to elevation but positively related to forest cover.

It has been recorded in west Ecuador, and north and west Colombia.[6][7] In Argentina, it has been recorded in Santa Fe and Salta Provinces.[8] It has been introduced and naturalized on the island of Mallorca, where it is considered an invasive species.[9][10]

The only documented records of white-nosed coati in South America are from far northwestern Colombia, in the Gulf of Urabá region, near the Colombian border with Panama.[6][7] The smaller mountain coati lives foremost at altitudes above the South American coati, but there is considerable overlap.[11]

Invasiveness

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In Europe, this species has been included since 2016 in the list of Invasive Alien Species of Union concern (the Union list).[12] This implies that this species cannot be imported, bred, transported, commercialized, or intentionally released into the environment in the whole of the European Union.[13]

Behavior

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South American coatis are variable in color and can—among others—be almost black or orange-red.[5]

South American coatis are diurnal animals, and live both on the ground and in trees. They are omnivorous but primarily eat fruit, invertebrates, other small animals, and bird eggs. Also, they search for fruit in trees high in the canopy and use their snouts to poke through crevices to find animal prey on the ground. Furthermore, they also search for animal prey by turning over rocks on the ground or ripping open logs with their claws.[14] The South American coati was found to be a host of an intestinal acanthocephalan parasitic worm, Pachysentis lauroi.[15]

Females typically live in large groups, called bands, consisting of 15 to 30 animals. Males are usually solitary.[14] Solitary males were originally considered a separate species due to their different social habits and were called coatimundis, a term still sometimes used today. Neither bands of females nor solitary males defend a unique territory, and territories therefore overlap.[16]

Group members can produce soft whining sounds, but alarm calls are different, consisting of loud woofs and clicks. Coatis typically sleep in the trees. When an alarm call is sounded, they climb trees, and then drop down to the ground and disperse.[14] Predators of the South American coati include foxes, jaguars, jaguarundis, and occasionally humans.[17]

Reproduction

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A coati family in Iguazu Falls

All females in a group come into heat simultaneously when fruit is in season and mate with several males. The gestation period is 74 to 77 days.[4] The estrus period lasts 1–2 weeks.[18] Captive females give birth to 1–7 young at a time. In the wild, they leave the group to give birth in a nest built in trees and rejoin the group with their offspring 5–6 weeks later.[14] They usually remain with their natal group. Males generally disperse from their natal group at the age of three years. South American coatis generally live for up to 7 years in the wild but can live up to 14 years in captivity.[4]

Taxonomy

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Viverra nasua was the scientific name proposed by Carl Linnaeus in 1766 for a red coati specimen.[19] It was subordinated to the genus Nasua. As of 2005, 13 subspecies were recognized:[1]

  • N. n. nasua Linnaeus, 1766
  • N. n. spadicea Olfers, 1818
  • N. n. solitaria Schinz, 1823
  • N. n. vittata Tschudi, 1844
  • N. n. montana Tschudi, 1844
  • N. n. dorsalis Gray, 1866
  • N. n. molaris Merriam, 1902
  • N. n. manium Thomas, 1912
  • N. n. candace Thomas, 1912
  • N. n. quichua Thomas, 1912
  • N. n. cinerascens Lönnberg, 1921
  • N. n. aricana Vieira, 1945
  • N. n. boliviensis Cabrera, 1956

References

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  1. ^ a b Wilson, D. E.; Reeder, D. M., eds. (2005). Mammal Species of the World: A Taxonomic and Geographic Reference (3rd ed.). Johns Hopkins University Press. ISBN 978-0-8018-8221-0. OCLC 62265494.
  2. ^ "Carneiro Cave (Pleistocene of Brazil)". PBDB.org.
  3. ^ a b Emmons, L.; Helgen, K. (2016). "Nasua nasua". IUCN Red List of Threatened Species. 2016: e.T41684A45216227. doi:10.2305/IUCN.UK.2016-1.RLTS.T41684A45216227.en. Retrieved November 19, 2021.
  4. ^ a b c Gompper, M. E.; Decker, D. M. (1998). "Nasua nasua" (PDF). Mammalian Species (580): 1–9. doi:10.2307/3504444. JSTOR 3504444.
  5. ^ a b c Kays, R. (2009). "Handbook of the Mammals of the World: Carnivores" (Wilson, D. E., and R. A. Mittermeier, eds.). Handbook of the Mammals of the World. Vol. 1. pp. 526–528. ISBN 978-84-96553-49-1.
  6. ^ a b Decker, D. M. (1991). "Systematics of the Coatis, Genus Nasua (Mammalia, Procyonidae)" (PDF). Proceedings of the Biological Society of Washington. 104: 370–386. Archived 2014-10-06 at the Wayback Machine
  7. ^ a b Guzman-Lenis, A. R. (2004). "Preliminary Review of the Procyonidae in Colombia" (PDF). Acta Biológica Colombiana. 9 (1): 69–76. Archived 2014-04-26 at the Wayback Machine
  8. ^ Eisenberg, J.; Redford, K. H. (1989). "Nasua nasua (Linnaeus, 1766)". Mammals of the Neotropics. Vol. The Central Neotropics: Ecuador, Bolivia, Brazil. Chicago: University of Chicago Press. pp. 288–289. ISBN 9780226195421.
  9. ^ Davies, Richard (April 17, 2015). "Intrusos exóticos" [Exotic intruders]. El País (in Spanish). Archived from the original on August 19, 2023.
  10. ^ Irwin, Aisling (August 2, 2016). "African ibis and South American coati among 37 on EU's kill list". Archived from the original on September 30, 2023.
  11. ^ Helgen, K. M.; Kays, R.; Helgen, L. E.; Tsuchiya-Jerep, M. T. N.; Pinto, C. M.; Koepfli, K. P.; Eizirik, E.; Maldonado, J. E. (2009). "Taxonomic boundaries and geographic distributions revealed by an integrative systematic overview of the mountain coatis, Nasuella (Carnivora: Procyonidae)" (PDF). Small Carnivore Conservation (41): 65–74.
  12. ^ "List of Invasive Alien Species of Union concern". European Commission. Archived from the original on April 9, 2024. Retrieved July 27, 2021.
  13. ^ "Regulation (EU) No 1143/2014 of the European parliament and of the council of 22 October 2014 on the prevention and management of the introduction and spread of invasive alien species" (PDF). 2014. Archived from the original on April 9, 2024.
  14. ^ a b c d Emmons, L. H. (1997). Neotropical Rainforest Mammals, A Field Guide (2nd ed.). Chicago: University of Chicago Press. pp. 153–154. ISBN 978-0-226-20721-6.
  15. ^ Gomes, Ana Paula N.; Amin, Omar M.; Olifiers, Natalie; Bianchi, Rita de Cassia; Souza, Joyce G. R.; Barbosa, Helene S.; Maldonado, Arnaldo (2019). "A New Species of Pachysentis Meyer, 1931 (Acanthocephala: Oligacanthorhynchidae) in the Brown-Nosed Coati Nasua nasua (Carnivora: Procyonidae) from Brazil, with Notes on the Genus and a Key to Species". Acta Parasitologica. 64 (3): 587–595. doi:10.2478/s11686-019-00080-6. PMC 6814649. PMID 31286360.
  16. ^ "BBC Ring-tailed Coati". Archived from the original on January 14, 2009. Retrieved July 13, 2007.
  17. ^ McLuen, Nicole; Perry, Pamela (2000). "Southern Coati". itech.pjc.edu. Archived from the original on July 9, 2008. Retrieved July 13, 2007.
  18. ^ Hirsch, Ben T., and Jesus E. Maldonado. "Familiarity breeds progeny: sociality increases reproductive success in adult male ring‐tailed coatis (Nasua nasua)." Molecular Ecology 20.2 (2011): pp. 409–419.
  19. ^ von Linné, Carl (1766). "Viverra nasua". Systema naturae : per regna tria natura, secundum classes, ordines, genera, species, cum characteribus, differentiis, synonymis, locis [The system of nature: according to the three kingdoms of nature, according to classes, orders, genera, species, with characters, differences, synonyms, places] (in Latin). Vol. 1 (12 ed.). Holmiae: L. Salvii.
 
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