Superregnum: Eukaryota
Cladus: Unikonta
Cladus: Opisthokonta
Cladus: Holozoa
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Superphylum: Deuterostomia
Phylum: Chordata
Subphylum: Vertebrata
Infraphylum: Gnathostomata
Megaclassis: Osteichthyes
Cladus: Sarcopterygii
Cladus: Rhipidistia
Cladus: Tetrapodomorpha
Cladus: Eotetrapodiformes
Cladus: Elpistostegalia
Superclassis: Tetrapoda
Cladus: Reptiliomorpha
Cladus: Amniota
Cladus: Synapsida
Cladus: Eupelycosauria
Cladus: Sphenacodontia
Cladus: Sphenacodontoidea
Cladus: Therapsida
Cladus: Theriodontia
Cladus: Cynodontia
Cladus: Eucynodontia
Cladus: Probainognathia
Cladus: Prozostrodontia
Cladus Mammaliaformes
Classis: Mammalia
Subclassis: Trechnotheria
Infraclassis: Zatheria
Supercohors: Theria
Cohors: Eutheria
Infraclassis: Placentalia
Superordo: Xenarthra
Ordo: Cingulata
Familia: Dasypodidae
Subfamilia: Dasypodinae
Genus: Dasypus
Species: Dasypus hybridus
Name
Dasypus hybridus (Desmarest, 1804)
Type locality: Paraguay, Misiones, San Ignacio (Cabrera, 1958)
References
Dasypus hybridus in Mammal Species of the World.
Wilson, Don E. & Reeder, DeeAnn M. (Editors) 2005. Mammal Species of the World – A Taxonomic and Geographic Reference. Third edition. ISBN 0-8018-8221-4.
Tabl. Meth. Hist. Nat., in Nouv. Dict. Hist. Nat. 24: 28.
Wilson, D.E. & Reeder, D.M. (eds.) 2005. Mammal Species of the World: a taxonomic and geographic reference. 3rd edition. The Johns Hopkins University Press: Baltimore. 2 volumes. 2142 pp. ISBN 978-0-8018-8221-0. Reference page.
Vernacular names
English: Southern Long-nosed Armadillo
português: Tatu-mulita
The southern long-nosed armadillo (Dasypus hybridus) is a species of armadillo native to South America.
Description
Among the smallest of the long-nosed armadillos, individuals of the southern species measure about 30 cm (12 in) in head-body length, with a tail about 17 cm (6.7 in) long. With no discernible sexual dimorphism, both males and females weigh about 2 kg (4.4 lb). The upper body, tail, and upper surface of the head are covered by a dark grey carapace of bony scales and have very little hair. The central part of the carapace is divided into a number of movable bands; there are usually seven such bands, but many individuals have just six, while a few have eight. The scales on the main shields, over the shoulders and hips, are hexagonal and about 5 mm (0.20 in) across, while those on the bands are rectangular and marked with a V-shaped groove that divides them into three triangular sections. The scales on the head are variable in shape.[2]
The tail has a number of distinct rings for about two-thirds of its length, and a slender tip. They have a narrow snout and long ears, measuring about a quarter to a third of the length of the head. There are four toes on the front feet and five on the hind feet; all have powerful curved claws. The underside of the animal has sparse dark-brown hair, and skin that is wrinkled on the abdomen, but smoother on the inside of the legs.[2]
Distribution and habitat
The southern long-nosed armadillo inhabits southern Brazil, in the states of Paraná, Rio Grande do Sul, and Santa Catarina, southern Paraguay, north-eastern Argentina, and almost the whole of Uruguay. There are no recognised subspecies.[1] Within this region, they live in grasslands up to 2,300 m (7,500 ft) in elevation, preferring relatively undisturbed habitats and avoiding agricultural cropland,[3] although they may be found on cattle ranches.[4]
Behaviour and biology
About 60% of the species' diet consists of ants and termites, although they also eat other small invertebrates, the occasional small mouse, and some vegetables and scraps.[2][5] They are diurnal and active throughout the year, being solitary outside of the breeding season.[2]
They spend the night in burrows, which consist of a single passage with an average length of 120 cm (47 in) and depth of 43 cm (17 in), although individual burrows vary greatly. They are typically built on flat or gently sloping terrain and angled so that the entrance faces away from the prevailing winds. The entrance is usually concealed beneath bushes or rocks, and may be lined with dried plant matter, which is also often found deeper within the burrow, where it forms a nest.[6]
Breeding begins in March, with the young being born from October to early December. From six to ten young are born in each litter, and are relatively precocial at birth, with their eyes already open and the bony scutes of their carapace already partially developed.[7] Newborn young weigh about 48 g (1.7 oz), and are weaned at about two months.[2]
References
Abba, A.M.; Gonzalez, E. (2014). "Dasypus hybridus". IUCN Red List of Threatened Species. 2014: e.T6288A47440329. doi:10.2305/IUCN.UK.2014-1.RLTS.T6288A47440329.en. Retrieved 19 November 2021.
Abba, A.M. & Superina, M. (May 2016). "Dasypus hybridus (Cingulata: Dasypodidae)". Mammalian Species. 48 (931): 10–20. doi:10.1093/mspecies/sew001. hdl:11336/49195.
Abba, A.M.; Vizcaíno, S.F. & Cassini, M.H. (April 2007). "Effects of land use on the distribution of three species of armadillos in the Argentinean pampas". Journal of Mammalogy. 88 (2): 502–507. doi:10.1644/06-MAMM-A-006R1.1.
Abba, A.M.; et al. (February 2015). "Burrowing activity by armadillos in agroecosystems of central Argentina: Biogeography, land use, and rainfall effects". Agriculture, Ecosystems & Environment. 200: 54–61. Bibcode:2015AgEE..200...54A. doi:10.1016/j.agee.2014.11.001.
Myers, P.; Espinosa, R.; Parr, C. S.; Jones, T.; Hammond, G. S.; Dewey, T. A. (2008). "Dasypus hybridus". ADW - University of Michigan Museum of Zoology. Retrieved 2012-10-04.
González, E.M.; Soutullo, A. & Altuna, C.A. (March 2001). "The burrow of Dasypus hybridus (Cingulata: Dasypodidae)". Acta Theriologica. 46 (1): 53–59. doi:10.1007/BF03192416. S2CID 23416142.
Krmpotic, C.M.; et al. (September 2012). "Development of the integument of Dasypus hybridus and Chaetophractus vellerosus, and asynchronous events with respect to the postcranium". Mammalian Biology. 77 (5): 314–326. Bibcode:2012MamBi..77..314K. doi:10.1016/j.mambio.2012.02.008. hdl:11336/75926. S2CID 85675989.
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