caa a22 4500 475768639 CHVBK 20180406123613.0 cr unu---uuuuu 170329e20001201xx s 000 0 eng 10.1023/A:1005507028567 doi (NATIONALLICENCE)springer-10.1023/A:1005507028567 Distribution and Geographic Variation in the Western Woolly Lemur (Avahi occidentalis) with Description of a New Species (A. unicolor [Elektronische Daten] [Urs Thalmann, Thomas Geissmann] The western woolly lemur is distributed through central western, northwestern and possibly northern Madagascar and is traditionally viewed as a monotypic species (Avahi occidentalis) or as a subspecies of A. laniger. We present new data on body weights of Avahi which, together with previously available body weights, provide additional evidence for recognizing eastern and western woolly lemurs as two distinct species. We then reexamine the distributions of, and chromatic variation within and between, populations of western woolly lemurs. A comparative study of wild subjects and museum skins reveals that several geographically discrete morphs exist in western Avahi, which is clearly polytypic. Marked differences between populations in fur coloration suggest that ≥3 distinct taxa should be recognized. The populations differ considerably in their habitat structure. In addition, field observations suggest clear differences in population density between ≥2 of the populations. We describe and name one new species. Plenum Publishing Corporation, 2000 systematics nationallicence Avahi occidentalis nationallicence western woolly lemur nationallicence Madagascar nationallicence new species nationallicence Thalmann Urs Anthropological Institute, Zurich University, Winterthurerstr. 190, CH-8057, Zürich, Switzerland aut Geissmann Thomas Institute of Zoology, Tierärztliche Hochschule Hannover, Buenteweg 17, D-30559, Hannover, Germany aut International Journal of Primatology Kluwer Academic Publishers-Plenum Publishers 21/6(2000-12-01), 915-941 0164-0291 21:6<915 2000 21 10764 https://doi.org/10.1023/A:1005507028567 text/html Onlinezugriff via DOI 1 research-article jats NATIONALLICENCE 856 40 https://doi.org/10.1023/A:1005507028567 text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Thalmann Urs Anthropological Institute, Zurich University, Winterthurerstr. 190, CH-8057, Zürich, Switzerland aut NATIONALLICENCE 700 1- Geissmann Thomas Institute of Zoology, Tierärztliche Hochschule Hannover, Buenteweg 17, D-30559, Hannover, Germany aut NATIONALLICENCE 773 0- International Journal of Primatology Kluwer Academic Publishers-Plenum Publishers 21/6(2000-12-01), 915-941 0164-0291 21:6<915 2000 21 10764 Metadata rights reserved Springer special CC-BY-NC licence nationallicence BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-springer