Southern muriqui[1]
CITES Appendix I (CITES)[3]
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Order: Primates
Suborder: Haplorhini
Infraorder: Simiiformes
Family: Atelidae
Genus: Brachyteles
Species:
B. arachnoides
Binomial name
Brachyteles arachnoides
(É. Geoffroy, 1806)
Southern muriqui range

The southern muriqui (Brachyteles arachnoides) is a muriqui (woolly spider monkey) species endemic to Brazil.

Taxonomy

Taxonomy of muriquis is controversial because some scientists believe that they are a monotypic genus while others favor a 2-species classification system.[4]

Distribution and habitat

Southern muriquis are now found only in specific areas of the Atlantic rainforest located in Brazil, South America, more specifically they are found in the Brazilian states of Paraná, São Paulo, Rio de Janeiro, Espírito Santo and Minas Gerais. This New World monkey is known locally as mono carvoeiro, which translates to "charcoal monkey".[5][6]

Description

Muriquis are the largest New World monkeys and largest non-human native primates in the Americas. Male muriquis have a head-body length of 55–78 cm (21.5–30.5 in), with a tail of 74–80 cm (29–31.5 in) and a body weight of 9.6–15 kg (21–33 lb). Females have a head-body length of 46–63 cm (18–25 in), a tail length of 65–74 cm (25.5–29 in) and a body weight of 8–11 kg (18–24 lb).[7][8] The tails are fully prehensile.

The southern muriqui, B. arachnoides, has a solid black face, distinguishing it from the northern species, B. hypoxanthus, which has a black face mottled with pink.[9]

Diet

Southern muriqui are frugivores, which means that fruit is the preferred food type. They have been claimed to possess the most diverse fruit diet in the Atlantic, and also consume leaves, flowers and a few species of seeds (such as sapucaia, amexia-bicha, Inga, Bicuiba and jatobá).[10][11] The southern muriqui can use more than one dietary type to fulfill nutrient and energy needs.[12] Muriquis play a major role in seed dispersal and are known to provide complementary foraging opportunities for tapirs.[13]

Behavior

Like chimpanzees, male southern muriquis are philopatric, while females immigrate to spread genetic diversity and avoid incestuous breeding with their relatives. They preferentially eat fruit, flowers, and buds and rely on tree bark and leaves as fallback food.

Males within a community are tolerant of each other and intergroup aggression is rare.[14] Although this species is nicknamed the "hippie monkey", due to their relaxed intergroup relationships, their attitude towards outsider males is far from harmonious, as a group of males was observed killing a male from outside their group (a trait shared with chimpanzees), though it is not known if this degree of aggression is natural or induced due to a lack of resources. It is unclear if Northern muriquis also exhibit this degree of aggression.[15]

Conservation

This species is considered endangered because of habitat destruction, hunting pressures, and historic population declines. Only two captive populations of the southern muriqui exist. They are housed at the zoos of Curitiba and Sorocaba. The latter is located 80 km from the only long-term investigation of the southern muriqui in continuous forest, the Carlos Botelho State Park. The wild population was estimated at 1,300 in 2005.

Muriquis are the largest neotropical species and are considered a flagship species.[16]

In 2005, scientists, zookeepers, NGOs, and many others discussed priorities and strategies to protect muriquis from extinction. The Brazilian government in 2010 recognized the National Action Plan for the Conservation of Muriquis.[4]

References

  1. ↑ Groves, C. P. (2005). "Order Primates". In Wilson, D. E.; Reeder, D. M (eds.). Mammal Species of the World: A Taxonomic and Geographic Reference (3rd ed.). Johns Hopkins University Press. p. 151. ISBN 978-0-8018-8221-0. OCLC 62265494.
  2. ↑ Talebi, M.; Jerusalinsky, L.; Martins, M.; Mittermeier, R.A.; Ingberman, B.; Ferraz, D.S.; de Melo, F.R.; Boubli, J.P. (2021). "Brachyteles arachnoides". IUCN Red List of Threatened Species. 2021: e.T2993A191692658. doi:10.2305/IUCN.UK.2021-1.RLTS.T2993A191692658.en. Retrieved 19 November 2021.
  3. ↑ "Appendices | CITES". cites.org. Retrieved 2022-01-14.
  4. 1 2 Chaves, Paulo B.; Magnus, Tielli; Jerusalinsky, Leandro; Talebi, Maurício; Strier, Karen B.; Breves, Paula; Tabacow, Fernanda; Teixeira, Rodrigo H. F.; Moreira, Leandro; Hack, Robson O. E.; Milagres, Adriana (December 2019). "Phylogeographic evidence for two species of muriqui (genus Brachyteles )". American Journal of Primatology. 81 (12): e23066. doi:10.1002/ajp.23066. hdl:10923/20562. ISSN 0275-2565. PMID 31736121. S2CID 182008678.
  5. ↑ APA – Serra do Mar Archived 2011-07-06 at the Wayback Machine. ambiente.sp.gov.br
  6. ↑ Parque Estadual da Ilha do Cardoso: modelo de Gestão Ambiental Archived 2011-01-07 at the Wayback Machine. ambiente.sp.gov.br
  7. ↑ Southern muriqui videos, photos and facts – Brachyteles arachnoides Archived 2009-12-24 at the Wayback Machine. ARKive (2006-02-13). Retrieved on 2012-06-11.
  8. ↑ southern muriqui (primate) – Britannica Online Encyclopedia. Britannica.com. Retrieved on 2012-06-11.
  9. ↑ Chaves, Paulo B.; Magnus, Tielli; Jerusalinsky, Leandro; Talebi, Maurício; Strier, Karen B.; Breves, Paula; Tabacow, Fernanda; Teixeira, Rodrigo H. F.; Moreira, Leandro; Hack, Robson O. E.; Milagres, Adriana; Pissinatti, Alcides; Melo, Fabiano R.; Pessutti, Cecília; Mendes, Sérgio L.; Margarido, Tereza C.; Fagundes, Valéria; Di Fiore, Anthony; Bonatto, Sandro L. (December 2019). "Phylogeographic evidence for two species of muriqui (genus Brachyteles )". American Journal of Primatology. 81 (12): e23066. doi:10.1002/ajp.23066. hdl:10923/20562. PMID 31736121. S2CID 182008678.
  10. ↑ Bello, Carolina; Galetti, Mauro; Montan, Denise; Pizo, Marco A.; Mariguela, Tatiane C.; Culot, Laurence; Bufalo, Felipe; Labecca, Fabio; Pedrosa, Felipe; Constantini, Rafaela; Emer, Carine; Silva, Wesley R.; Da Silva, Fernanda R.; Ovaskainen, Otso; Jordano, Pedro (2017). "Atlantic frugivory: A plant-frugivore interaction data set for the Atlantic Forest". Ecology. 98 (6): 1729. doi:10.1002/ecy.1818. hdl:10261/158044. PMID 28317110.
  11. ↑ "Brachyteles arachnoides (Muriqui)". Animal Diversity Web.
  12. ↑ Talebi, Mauricio; Bastos, Alexandre; Lee, P. C. (2005-10-01). "Diet of Southern Muriquis in Continuous Brazilian Atlantic Forest". International Journal of Primatology. 26 (5): 1175–1187. doi:10.1007/s10764-005-6463-3. ISSN 1573-8604. S2CID 7212541.
  13. ↑ Zanette, E. M.; Fuzessy, L. F.; Hack, R. O. E.; Monteiro-Filho, E. L. A. (2020-05-01). "Potential role in seed dispersal revealed by experimental trials with captive southern muriquis (Brachyteles arachnoides)". Primates. 61 (3): 495–505. doi:10.1007/s10329-020-00796-4. ISSN 1610-7365. PMID 32026150. S2CID 211028176.
  14. ↑ Farrows. "Southern Woolly Spider Monkey (Muriqui): Species in World Land Trust reserves". World Land Trust. Retrieved 2020-12-07.
  15. ↑ Mccleod, Mairi. "'Hippy' monkey is a killer when starved of sex". New Scientist. Retrieved 2020-12-07.
  16. ↑ Talebi, Mauricio G.; Lee, Phyllis C. (2010-08-01). "Activity Patterns of Brachyteles arachnoides in the Largest Remaining Fragment of Brazilian Atlantic Forest". International Journal of Primatology. 31 (4): 571–583. doi:10.1007/s10764-010-9414-6. ISSN 1573-8604. S2CID 38097926.
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