Naturally Occurring Primate Hybrid

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Science  23 Dec 1966:
Vol. 154, Issue 3756, pp. 1559-1560
DOI: 10.1126/science.154.3756.1559


Two members of a troop of wild Macaca irus in Malaysia have been tentatively identified as hybrids of M. irus and M. nemestrina. Mechanisms prohibiting such hybridization in the natural habitat may have broken down under heavy predation pressure which finally resulted in the local extermination of M. nemestrinia.