sympatry

sym·pat·ry  (smptr, -p-tr)

n. pl. sym·pat·ries

The occurrence of sympatric species or forms.

Thesaurus

Noun

1.

sympatry - the occurrence of organisms in overlapping geographical areas, but without interbreeding occurrence - an instance of something occurring; "a disease of frequent occurrence"; "the occurrence (or presence) of life on other planets" allopatry - the occurrence of related organisms in separate geographical areas with no overlap