International Primatological Society
Member Login 08/08/2020

The International Primatological Society was created to encourage all areas of non-human primatological scientific research, to facilitate cooperation among scientists of all nationalities engaged in primate research, and to promote the conservation of all primate species. The Society is organized exclusively for scientific, educational and charitable purposes.


Latest News : more news here...

New Mouse Lemur 

A new species of mouse lemur, named for incoming IPS President Prof Jonah Ratsimbazafy, has been described : Ecolgy and morphology of mouse lemurs (Microcebus spp.) in a hotspot of microendemism in northeastern Madagscar, with the description of new species.

New Edition of the ASP Conservation Action Network Newsletter

This edition focuses on conservation threats to wild orang-utans and is available here...

IUCN Red List update

The new IUCN Red List update includes completed African primate reassessment and highlights that over a third of all lemur species are now Critically Endangered, more here...

Regional Action Plan for the Conservation of Western Chimpanzees now published

The Regional Action Plan for the Conservation of Western Chimpanzees (Pan troglodytes verus) 2020-2030 is now published and available on the IUCN Primate Specilalist Group website in English and French here... Annonce de la publication du Plan d'action régional pour la conservation des chimpanzés de l'Ouest (Pan troglodytes verus) 2020-2030 en français et en anglais, vous pouvez accéder au pdf sur le site du IUCN GSP ici...


Featured IJP Publications... more

Object Manipulation and Tool Use in Nicobar Long-Tailed Macaques (Macaca fascicularis umbrosus)

Jayashree Mazumder & Stefano S. K. Kaburu

Object manipulation and tool use by nonhuman primates have received considerable attention from primatologists and anthropologists, because of their broad implications for understanding the evolution of tool use in humans. To date, however, most of the studies on this topic have focused on apes, given their close evolutionary relationship with humans. In contrast, fewer studies on tool use and object manipulation have been conducted on more


Comparing Methods for Assessing Chimpanzee (Pan troglodytes schweinfurthii) Party Size: Observations, Camera Traps, and Bed Counts from a Savanna-Woodland Mosaic in the Issa Valley, Tanzania

Daphne N. Vink, Fiona A. Stewart & Alex K. Piel

Studying animal grouping behavior is important for understanding the causes and consequences of sociality and has implications for conservation. Chimpanzee (Pan troglodytes) party size is often assessed by counting individuals or extracted indirectly from camera trap footage or the number of nests. Little is known, however, about consistency across more



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