greater fairy armadillo; Burmeister's armadillo; Chacoan fairy armadillo
A species of armadillo native to the Gran Chaco region of South America. Scientific name: Calyptophractus retusus.
The greater fairy armadillo inhabits the Gran Chaco region of South America.
From Spanish 'Chaco' (the region) and 'armadillo' (armadillo), via English or directly borrowed into Japanese as a katakana loanword.