期刊
AMERICAN JOURNAL OF PRIMATOLOGY
卷 75, 期 1, 页码 46-56出版社
WILEY
DOI: 10.1002/ajp.22071
关键词
Nycticebus menagensis; Nycticebus bancanus; Nycticebus borneanus; cryptic species; morphology; sympatric; allopatric
类别
资金
- Systematics Research Fund of the Linnaean Society
- Primate Conservation Inc.
- International Animal Rescue Indonesia
- Royal Society
- Primate Society of Great Britain
- Primate Action Fund
- Margot Marsh Biodiversity Foundation
- SYNTHESYS Project (European Community Research Infrastructure Action, FP6 Structuring the European Research Area Programme) [NL-TAF-3491]
More species of nocturnal primates are now recognized than in the past, because many are cryptic species. Subtle morphological disparities, such as pelage pattern and color variation, vocal cues, and genetics have aided in elucidating the number of diagnosable species in a genus. The slow lorises (genus Nycticebus) once included only two species, but recent taxonomic studies resulted in the description of three additional species; further incompletely explored variability characterizes each of the currently described species. The Bornean loris in particular is characterized by pelage and body size variation. In this study, we explored facemask variation in the Bornean loris (N. menagensis). Differing facemask patterns, particularly influenced by the amount of white on the face, significantly clustered together by geographic regions, separated by notable geographic boundaries. Our results support the recognition of four species of Bornean lorises: N. menagensis, N. bancanus, N. borneanus, and N. kayan. Genetic studies are required to support these findings and to refine further our understanding of the marked variability within the Bornean loris populations. Am. J. Primatol. 75:46-56, 2013. (c) 2012 Wiley Periodicals, Inc.
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