tree duck
Any of the birds in the genus Dendrocygna, the whistling ducks, which are in the family Anatidae with the ducks, geese and swans, but in their own subfamily. / (US) Synonym of wood duck
plural of marketting
(epidemiology) The percentage of people who have tested positive out of all of those who have been tested (for a given pathogen).
A sea slug of the former suborder Notaspidea, now split into clades Umbraculida and Pleurobranchomorpha.
好奇心旺盛なホイッスルダックが低い枝にとまり、ピクニックの敷物にパンくずがないか調べていた。
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DiQt
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