interbred

Verb

interbreed (third-person singular simple present interbreeds, present participle interbreeding, simple past and past participle interbred)

1. To breed or reproduce within an isolated community.
2. (ambitransitive) To breed or reproduce within a heterogenous community, the products of which produce hybrids.
   • The rypes and our red grouse are identically the same bird, though disease has never been known in the former, and even interbreeding with the red grouse, to the limited extent they are ever likely to do, should do more good than harm.1909, Knowledge and Illustrated Scientific News, volume 32, page 426