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whistling-duck

noun
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variants: or whistling duck

Definition of whistling-duck

: any of several long-legged and long-necked ducks (genus Dendrocygna) mostly of warm regions that have a whistling call, resemble small geese, and often perch in trees

— called also tree duck

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“Whistling-duck.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/whistling-duck. Accessed 19 Oct. 2021.

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