The greater naked-tailed armadillo (''Cabassous tatouay'') is an
armadillo species from
South America
South America is a continent entirely in the Western Hemisphere and mostly in the Southern Hemisphere, with a relatively small portion in the Northern Hemisphere at the northern tip of the continent. It can also be described as the sout ...
.
Description
Larger than the closely related
southern naked-tailed armadillos, adults of the greater species measure in head-body length, with a tail in length. There are eight or nine uniformly shaped teeth on each side of each jaw, with no identifiable incisors or canines. The carapace includes an average of 13 movable bands between the solid shields over the shoulders and hips, with each band having about 30 individual
scute
A scute or scutum (Latin: ''scutum''; plural: ''scuta'' "shield") is a bony external plate or scale overlaid with horn, as on the shell of a turtle, the skin of crocodilians, and the feet of birds. The term is also used to describe the anterior po ...
s. There is also a scaled shield over the upper surface of the head, with much smaller scales on the ears and on the cheeks below the eyes. The tail bears only small, isolated scales.
Distribution and habitat
Greater naked-tailed armadillos are found in southern
Brazil
Brazil ( pt, Brasil; ), officially the Federative Republic of Brazil (Portuguese: ), is the largest country in both South America and Latin America. At and with over 217 million people, Brazil is the world's fifth-largest country by area ...
, eastern
Paraguay
Paraguay (; ), officially the Republic of Paraguay ( es, República del Paraguay, links=no; gn, Tavakuairetã Paraguái, links=si), is a landlocked country in South America. It is bordered by Argentina to the south and southwest, Brazil to th ...
and
Uruguay
Uruguay (; ), officially the Oriental Republic of Uruguay ( es, República Oriental del Uruguay), is a country in South America. It shares borders with Argentina to its west and southwest and Brazil to its north and northeast; while bordering ...
and extreme north-eastern
Argentina
Argentina (), officially the Argentine Republic ( es, link=no, República Argentina), is a country in the southern half of South America. Argentina covers an area of , making it the second-largest country in South America after Brazil, th ...
.
It inhabits lowland and submontane forests, and also relatively open areas such as the
Cerrado
The ''Cerrado'' (, ) is a vast ecoregion of tropical savanna in eastern Brazil, particularly in the states of Goiás, Mato Grosso do Sul, Mato Grosso, Tocantins, Minas Gerais, and the Federal District. The core areas of the Cerrado biome are the ...
and
Pantanal
The Pantanal () is a natural region encompassing the world's largest tropical wetland area, and the world's largest flooded grasslands. It is located mostly within the Brazilian state of Mato Grosso do Sul, but it extends into Mato Grosso and ...
. There are no recognised subspecies.
[
]
Behaviour
Greater naked-tailed armadillos feed on ant
Ants are eusocial insects of the family Formicidae and, along with the related wasps and bees, belong to the order Hymenoptera. Ants evolved from vespoid wasp ancestors in the Cretaceous period. More than 13,800 of an estimated total of ...
s and termite
Termites are small insects that live in colonies and have distinct castes (eusocial) and feed on wood or other dead plant matter. Termites comprise the infraorder Isoptera, or alternatively the epifamily Termitoidae, within the order Blatto ...
s and sleeps in burrows, often dug within termite mounds. Burrows are typically about in width, and positioned so that their entrances face away from the prevailing winds.
References
{{Taxonbar, from=Q1762962
Armadillos
Myrmecophagous mammals
Mammals of Argentina
Mammals of Brazil
Mammals of Paraguay
Mammals of Uruguay
Fauna of the Cerrado
Fauna of the Pantanal
Mammals described in 1804