Ducklings may follow a basketball or a briefcase if these are substituted for the mother duck at the time when imprinting occurs.

如果一个篮球或公文包在印记发生的时候代替母鸭，小鸭子可能会跟随它们。

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The very first Federal Duck Stamp was designed by J.N. "Ding" Darling, a political cartoonist from Des Moines, Iowa, who at that time was appointed by President Franklin Roosevelt as Director of the Bureau of Biological Survey.

最早的联邦鸭票是由J.N.“丁”·达林设计的，他是爱荷华州得梅因市的一位政治漫画家，当时被富兰克林·罗斯福总统任命为生物调查局局长。

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When a farm duck was taken at night, or a swimmer disappeared, a crocodile or alligator would usually be blamed.

当一只农田鸭子在夜间消失、或一位游泳者失踪，通常会归咎于鳄鱼或短吻鳄。

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Yoon Duck-min is a North Korea specialist at Seoul's Institute of Foreign Affairs and National Security.

VOA: standard.2009.10.23

South African paceman Johan van der Wath claimed three wickets in as many overs, including New Zealand's Hamish Marshall caught at gully for a duck.

BBC: SPORT | Cricket | Counties | Northants on top despite Taylor

Johnston removed Ravi Bopara, who was caught at slip for a duck in the third over, then added the scalp of Oval centurion Trott, also for a duck.

BBC: England edge to win over Ireland

Three overs later, Ashley Giles got an edge to a fizzing Warne leg break that was taken at first slip for a duck.

BBC: Warne took two wickets and helped in a run out in the morning