Translation guide
The animal 'armadillo' is expressed in Japanese using the loanword アルマジロ. There is also a native Japanese term ヨロイネズミ, but it is less common.
Referring to the armadillo as an animal.
The most common and widely understood term for 'armadillo' in Japanese. It is a loanword from English/Spanish.
アルマジロは夜行性の動物です。
Armadillos are nocturnal animals.
テキサスでアルマジロを見ました。
I saw an armadillo in Texas.
A native Japanese term literally meaning 'armor rat/mouse'. It is rarely used in everyday conversation and may not be understood by all speakers. Mostly found in older texts or as a direct translation.
ヨロイネズミはアルマジロの和名です。
'Yoroinezumi' is the Japanese name for the armadillo.