Naturally Occurring Primate Hybrid

  title={Naturally Occurring Primate Hybrid},
  author={Irwin S. Bernsteil},
  pages={1559 - 1560}
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. 
Conservation Implications of Hybridization in African Cercopithecine Monkeys
It is concluded that parapatric hybridization among closely related allotaxa is a widespread, usually natural process whose incidence may be modified by human influence.
Hybridization between Red-tailed Monkeys (Cercopithecus ascanius) and Blue Monkeys (C. mitis) in East African Forests
The high incidence of hybridization at Gombe calls for its recognition as a localized sympatric hybrid zone between Cercopithecus ascanius schmidti and C. mitis doggetti, and observations of hybrid females nursing infants and juveniles provide evidence of female hybrid fertility.
Morphological Variation of Two Howler Monkey Species and their Genetically- Confirmed Hybrids.
This book discusses the impact of intra-sexual selection on sexual dimorphism and testes size in the Mexican howler monkeys Alouatta palliata and A. pigra and the history of primate hybridization.
Intergeneric Hybrid Baboons
Though perhaps impeded by natural selection against poorly adapted hybrids, theoretically interspecific hybridization could exceed mutation as a source of novel, preadapted genes in the wild.
Polyspecific groups of macaques on the kowloon peninsula, new territories, Hong Kong
Three polyspecific groups of free‐ranging macaques were observed in July and August of 1980 and 1981 in the forests of the New Territories of mainland Hong Kong, and all three groups contained hybrids between M. mulatta and M. fascicularis.
Hybridization in howler monkeys: Current understanding and future directions
The extent of hybridization in the genus Alouatta is evaluated, the current knowledge of the genetic and morphological aspects of these hybrid systems are revised, and future directions in the study of hybridized within this genus are identified to understand the possible implications of the hybridization process in the evolutionary history of howler monkeys.
External characteristics and associated developmental changes in two species of Sulawesi macaques,Macaca tonkeana andM. hecki, with special reference to hybrids and the borderland between the species
The degree of intergradation between two species of Sulawesi macaques,Macaca tonkeana andM. hecki, was studied by examining the diagnostic external characteristics of more than 100 monkeys kept as
Species, Subspecies, and Baboon Systematics
Baboon diversity is used to explore some aspects of species definition and diagnosis, without attempting a comprehensive revision of the group or an exhaustive exploration of the species concept.


Functional affinities of man, monkeys, and apes
Research supported by NSF grant G-3008 and NIH grant FR-00165