boutu

Japanese: boutu
boutu

…The stomach is four-chambered but lacks an esophageal stomach. The Amazon river dolphin, Inia geoffrensis (English name boutu), is a similar species found in the Amazon and Orinoco river systems. It is 2 to 2.3 meters long, with males being slightly larger. …

*Some of the terminology explanations that mention "boutu" are listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…胃は4室よりなるが食道胃を欠く。アマゾンカワイルカInia geoffrensis(英名boutu)もこれに似た種類で,アマゾンとオリノコ水系に分布する。体長2~2.3mで,雄がやや大きい。…

※「boutu」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

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