最終更新日：2025/12/05

The notch made on a swan's upper mandible when it is counted during the swan upping procedure.

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swan mark

元となった辞書の項目

swan mark

The notch made on a swan's upper mandible when it is counted during the swan upping procedure.

日本語の意味

白鳥の上顎に、白鳥の数を調査する際（swan upping）に作られる切れ込み。

During swan upping, the biologist carefully noted each bird's swan mark before releasing it back into the river.

白鳥の数え上げの際、調査員は放す前に各個体の上嘴の切り欠きを注意深く記録した。

意味（1）

The notch made on a swan's upper mandible when it is counted during the swan upping procedure.

swan marks

（ plural ）