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thorntail

noun
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Definition of thorntail

: any of several Neotropical hummingbirds of the genus Popelairia especially : a hummingbird (P. conversii) whose tail is deeply forked with the outer feathers slender and pointed

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“Thorntail.” The Merriam-Webster.com Dictionary, Merriam-Webster Inc., https://www.merriam-webster.com/dictionary/thorntail. Accessed 17 January 2020.

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