1
: occurring in the same area
2
: occupying the same geographical range without loss of identity from interbreeding
sympatric species
also : occurring between populations that are not geographically separated
sympatric speciation
compare allopatric

Examples of sympatric in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
In a recent study of three sympatric stingray species along a heterogeneous coastal system in northeastern Brazil, researchers examined zinc isotopes in muscle tissue alongside carbon and nitrogen isotopes. — Melissa Cristina Márquez, Forbes.com, 11 July 2026 And among the types of speciation that do not, the most important is called sympatric. — Sam Walters, Discover Magazine, 10 May 2023 But other researchers say the research appears to show how sympatric speciation happens—and in this case, happened so quickly. — Elizabeth Pennisi, Science | AAAS, 25 Mar. 2021

Word History

Etymology

sym- + Greek pátra "native country, homeland" (derivative from the stem of patḗr "father") + -ic entry 1 — more at father entry 1

Note: The word was introduced by the British biologist Edward Bagnall Poulton (1856-1943) in the 1903 Presidential Address to the Entomological Society of London, published in the Transactions of the Entomological Society of London for 1903 (London, 1903-04), p. xc.

First Known Use

circa 1904, in the meaning defined at sense 1

Time Traveler
The first known use of sympatric was circa 1904

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Cite this Entry

“Sympatric.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/sympatric. Accessed 1 Oct. 2026.

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