sibling species

noun

Definition of sibling species

: one of two or more species that are nearly indistinguishable morphologically

First Known Use of sibling species

1940, in the meaning defined above

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The first known use of sibling species was in 1940

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Cite this Entry

“Sibling species.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/sibling%20species. Accessed 20 Oct. 2020.

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Britannica.com: Encyclopedia article about sibling species

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