Roosmalens' dwarf marmoset
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| Template:Taxon infoTemplate:Taxon italics (van Roosmalen et al., 1998)
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The Roosmalens' dwarf marmoset (Mico humilis), also known as the black-crowned dwarf marmoset, is a small New World monkey native to the Amazon rainforest, on the east bank of the lower Madeira River, and the west bank of the Aripuanã River, in Brazil.[1][3] It has the smallest distribution of any primate in Amazonia. This marmoset has several unique attributes, which has resulted in it sometimes being placed in the monotypic genus Callibella.[3][4][5] However, genetic analysis has subsequently resulted in its being classified within the genus Mico.[6][7][8][9]
It was first described in 1998, after it was discovered ca. 400 km (250 mi) south of the city of Manaus. In 1996, Marc van Roosmalen, the discoverer, was given a milk can by a river trader with one of these monkeys inside. He suspected it was a new species, a relative of the pygmy marmoset, but at that point was unaware of its exact origin. Following a lengthy expedition, it was discovered near the town of Nova Olinda in southeastern Amazonas. The species has been subsequently recorded further south, along the west banks of Rio Roosevelt.[10]
Adult Roosmalens' dwarf marmosets have a total length of 38–39 cm (15-15½ in), incl. a tail of 22–24 cm (8½–9½ in), and weigh 150–185 g (5½–6½ oz). It is the second smallest species of monkey, with only the related pygmy marmoset being smaller. The upperparts of Roosmalens' dwarf marmoset are mainly dark olive-brown, while the underparts are pale, dull yellowish. The bare, pale pinkish face is bordered by a whitish ring of hair. The crown is blackish, as suggested by its alternative common name; black-crowned dwarf marmoset. It has claws as opposed to nails, like other marmosets who feed off tree sap. It also has teeth similar to other marmosets.
It is considered unusual among marmosets in that it gives birth to only a single baby instead of twins, the norm for marmosets. Marmosets are often very territorial, though this is not the case among Roosmalens' dwarf marmoset, where it is common for multiple females in a group to have young, instead of one dominant female.
Predation
Roosmalens' dwarf marmosets are eaten by Falconiformes, domestic dogs and domestic cats. Arboreal snakes and wild, arboreal felids are also potential predators.[11]
References
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- ^ a b Page Module:Citation/CS1/styles.css has no content.Groves, C. P. (2005). Wilson, D. E.; Reeder, D. M. (eds.). Mammal Species of the World: A Taxonomic and Geographic Reference (3rd ed.). Baltimore: Johns Hopkins University Press. p. 131. ISBN 0-801-88221-4. OCLC 62265494.
- ^ Template:Cite iucn
- ^ a b Page Module:Citation/CS1/styles.css has no content.Rylands, A. B.; Mittermeier, R. A. (2009). "The diversity of the New World primates (Platyrrhini)". In Garber, P. A.; Estrada, A.; Bicca-Marques, J. C.; Heymann, E. W.; Strier, K. B. (eds.). South American Primates: Comparative Perspectives in the Study of Behavior, Ecology, and Conservation. Springer. pp. 23–54. ISBN 978-0-387-78704-6.
- ^ Page Module:Citation/CS1/styles.css has no content.van Roosmalen (April 2003). "The description of a new marmoset genus, Callibella (Callitrichinae, Primates), including its phylogenetic status" (PDF). Neotropical Primates. 11 (1): 1–10. doi:10.62015/np.2003.v11.525. Archived from the original (PDF) on 27 July 2008.
- ^ Page Module:Citation/CS1/styles.css has no content.van Roosmalen (April 2003). "On the morphological distinctiveness of Callithrix humilis van Roosmalen, et al., 1998" (PDF). Neotropical Primates. 11 (1): 11–18. doi:10.62015/np.2003.v11.526. Archived from the original (PDF) on 27 July 2008.
- ^ Page Module:Citation/CS1/styles.css has no content.Garbino, Guilherme S. T. (2015). "How many marmoset (Primates: Cebidae: Callitrichinae) genera are there? A phylogenetic analysis based on multiple morphological systems". Cladistics. 31 (6): 652–678. doi:10.1111/cla.12106. ISSN 1096-0031. PMID 34753268. S2CID 84764314.
- ^ Page Module:Citation/CS1/styles.css has no content.Schneider, Horacio; Bernardi, Jose Antonio R.; Da Cunha, Divino B.; Tagliaro, Claudia H.; Vallinoto, Marcelo; Ferrari, Steve F.; Sampaio, Iracilda (1 January 2012). "A molecular analysis of the evolutionary relationships in the Callitrichinae, with emphasis on the position of the dwarf marmoset". Zoologica Scripta. 41 (1): 1–10. doi:10.1111/j.1463-6409.2011.00502.x. ISSN 1463-6409. S2CID 83878050.
- ^ Script error: No such module "template wrapper".
- ^ Page Module:Citation/CS1/styles.css has no content."Mico humilis". American Society of Mammalogists. Retrieved 18 April 2020.
- ^ Page Module:Citation/CS1/styles.css has no content.Garbino, G. S. T.; Silva, F. E.; Davis, B. J. W. (1 October 2013). "Range extension of the vulnerable dwarf marmoset, Callibella humilis (Roosmalen et al. 1998), and first analysis of its long call structure". Primates. 54 (4): 331–334. doi:10.1007/s10329-013-0381-3. ISSN 0032-8332. PMID 23975162. S2CID 32566585.
- ^ Callithrix humilis (Roosmalens' dwarf marmoset). Animal Diversity Web. https://animaldiversity.org/accounts/Callithrix_humilis/
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