…The magpie duck Camptorhynchus labradorius (Labrador duck) has not been recorded since 1875. The crested shelduck Tadorna cristata (Crested Shelduck) was seen around 1965, but only three specimens from before that time remain. Both are thought to be extinct. … *Some of the terminology that mentions "crested shelduck" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…カササギガモCamptorhynchus labradorius(英名Labrador duck)は1875年以来記録がない。カンムリツクシガモTadorna cristata(英名crested shelduck)は1965年ころに観察記録があるが,それ以前の標本3体が残っているだけである。いずれも絶滅したと考えられる。… ※「crested shelduck」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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