sympatric

adj. Ecology
Occupying the same or overlapping geographic areas without interbreeding. Used of populations of closely related species.

[SYN- + Greek patrā, fatherland (from patēr, patr-, father) + -IC.]

sympatrically sym·pat'ri·cal·ly adv.

Living in the same region. The term is used by ecologists to specify separate species whose territories overlap. Different species can occupy the same geographical location and yet still have individual niches as they use different parts of the environment.

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The adjective has one meaning:

Meaning #1: (of biological species or speciation) occurring in the same or overlapping geographical areas
  Antonym: allopatric (meaning #1)

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