mother family

…A pair of birds and their chicks are collectively called a family, and a group consisting of one male and one female and their young, such as a gibbon, is also called a family. A group of mothers and children, such as in deer, is sometimes called a mother family, and a group of species in which fathers take care of their young, such as the curlew, is sometimes called a father family. However, such usage that focuses only on group structures that link generations of parents and children is not appropriate, and it can be said that social structures that fit the concept of a human family are not found in animal societies. …

*Some of the terminology that refers to "mother family" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

…鳥類のつがいとその雛たちをまとめて家族と呼び，テナガザルのように雌雄各1頭とその子どもからなる集団を家族と呼んだりする。また，シカなどに見られる母と子の集りを母家族mother family，タマシギなど父が子の世話をする習性をもつ種に見られる集りを父家族father familyと呼ぶ場合もある。しかしこのような親子の世代をつなぐ集団構成だけに着目した用法は適切ではなく，人間の家族の概念に当てはまる社会構造は，動物の社会には見られないといってよい。…

※「mother family」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