I saw a northern pintail in the park pond.

The fact that he likes that movie is truly a case of 'there's no accounting for taste'.

The king eider lives in the Arctic region.

I went to see the Yalu River.

I went to see the Yalu River.

She always says 'the lady doth protest too much,' seeming to deny his actions, but in reality, she loves him very much.

The Steller's eider is a type of duck that breeds in the Arctic region.

He spent his money as quickly as 'a duck comes bearing green onions', which means a fool and his money are soon parted.