Erinaceinae

…A general term for a mammalian animal belonging to the insectivorous order, the subfamily Erinaceinae (Hedgehog). Its entire body, except for its face, underside, and limbs, is covered with spines (needle-like hairs) about 2 to 3 cm long, and it is famous for curling up its body into a ball and raising its spines to defend itself when attacked by an enemy such as a dog.

*Some of the terminology that mentions "Erinaceinae" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

…食虫目ハリネズミ亜科Erinaceinaeに属する哺乳類の総称。顔面と腹面，それに四肢を除く全身を長さ2～3cmほどのとげ(針状毛)で覆い，イヌなどの敵に襲われると体をボールのようにまるめ，とげを立てて身を守ることで名高い。…

※「Erinaceinae」について言及している用語解説の一部を掲載しています。

出典｜株式会社平凡社世界大百科事典 第２版について | 情報