Programme  Titles  Presenters  Topics  Proffered papers - Foraging & ecology: Ranging Friday 8th August, 10:00-12:20 Carrick Chair: Huynen, M. 824 HOME RANGE AND HABITAT USE OF THE HAIRY-EARED DWARF LEMUR (ALLOCEBUS TRICHOTIS) IN ANALAMAZAOTRA SPECIAL RESERVE, CENTRAL EASTERN MADAGASCAR K. Biebouw*1, T. Andrianoelina2, S.K. Bearder1, K.A.I. Nekaris1 1Oxford Brookes University, United Kingdom, 2University of Antananarivo, Madagascar 825 RANGING PATTERNS AND SOCIAL BEHAVIOUR OF THE RED SLENDER LORIS (LORIS TARDIGRADUS TARDIGRADUS): A RADIO-TELEMETRY STUDY IN A LOWLAND RAINFOREST IN SRI LANKA L. Bernede*1, A. Gunawardene2, K.A.I. Nekaris1 1Oxford Brookes University, United Kingdom, 2University of Ruhuna, Sri Lanka 826 HOME RANGE STABILITY, RANGE SHIFTS AND GROUP FISSION IN GRAY-CHEEKED MANGABEYS W. Olupot*1, K. Janmaat2, R. Chancellor3, G. Arlet3, P.M. Waser4 1Wildlife Conservation Society, Uganda, 2University of Amsterdam, Netherlands, 3University of California, United States, 4Purdue University, United States 827 EFFECTS OF FOLIVORY VERSUS FRUGIVORY ON RANGING IN BLACK HOWLERS G.R. Bridgett*, M.S.M. Pavelka University of Calgary, Canada 828 RANGING PATTERNS IN BWINDI MOUNTAIN GORILLAS: THE ROLE OF SPATIAL MEMORY, FOOD RESOURCE DISTRIBUTION AND INTERGROUP DYNAMICS D. Caillaud*1, M. Gray3, J. Ganas1, E. Kagoda4, A. Tumukunde1, J.B. Nkurunungi1, A. McNeilage2, M.M. Robbins1 1Max Planck Institute for Evolutionary Anthropology, Germany, 2Wildlife Conservation Society, United States, 3The International Gorilla Conservation Program, Kenya, 4Uganda Wildlife Authority, Uganda 829 RANGING PATTERNS OF CHIMPANZEES IN THE NIMBA MOUNTAINS, GUINEA AND CÔTE D’IVOIRE, WEST AFRICA N. Granier*1, M.C. Huynen1, T. Matsuzawa2 1Behavioural Biology Unit, University of Liège, Belgium, 2Primate Research Institute, Kyoto University, Japan 830 RELATIONSHIPS BETWEEN NEST BUILDING AND RANGING BEHAVIOR IN THE M GROUP CHIMPANZEES AT MAHALE, TANZANIA Hiroshi Ihobe Sugiyama Jogakuen University, Japan