According to my notes, you once suggested it comes from the English phrase “ducks in a row”.  AFAIK no one ever suggested another.  (It’s not listed in the KLI’s list of known puns.)

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Voragh

From: De'vID

Klingon word: raw'
Part of speech: noun
Definition: an aquatic bird with colorful plumage
Source: HQ:v10n4p5

All the bird species are puns. What's the pun behind this one?

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De'vID