invasive species

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English[edit]

Pronunciation[edit]

  • (file)

Noun[edit]

invasive species (plural invasive species)

  1. (biology) Any species that has been introduced to an environment where it is not native, and that has since become a nuisance through rapid spread and increase in numbers, often to the detriment of native species.
    • 2022 July 11, Helena Horton, “Oral contraceptives could help reduce grey squirrel numbers, research finds”, in The Guardian[1]:
      Grey squirrels are an invasive species in the UK, introduced from North America in the 1870s. They pose a problem for wildlife including endangered red squirrels, which they outcompete.

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