![]() Cant (Eds.), Adaptations for Foraging in nonhuman priamtes, (pp. The role of food-processing factors in primate food choice. Food choice and digestive strategies of two sympatric primate species. Philosophical Transcripts of the Royal Society, London, B264, 295–352. Adaptive radiation and behaviour of the Malagasy lemurs. Chivers (Ed.), Food Acquistition and Processing in Primates, (pp. Tooth morphology and dietary specialization. 2, The Growing Scope of Human Biology, (po. Bruce (Eds.), Proceedings of the Australasian Society for Human Biology, No. A new theory relating seed processing by primates to their relative tooth sizes. Digestibility of Detary Fiber and Passage Rates in Brown Lemurs and Gentle Lemurs. American Journal of Physical Anthropology, 49, 119–128. Dietary and dental variations in the genus Lemur, with comments concerning general dietary-dental correlations among Malagasy strepsirhines. American Journal of Physical Anthropology, 50, 301–308. ![]() On the relationship between chitin particle size and digestibility in the primate Galago senegalensis. Washington D.C.:Smithsonian Institute Press. Montgomery (Eds.), Arboreal Folivores, (pp. The dental structure of mammalian folivores with special reference to primates and Phalangeroidea (Marsupialia). American Journal of Physical Anthropology, 43, 195–216. The functional adaptations of primate molar teeth. American Journal of Primatology, 30, 243–256. Photopigments underlying color vision in Ringtailed lemurs ( Lemur catta) and brown lemurs ( Eulemur fulvus). Primates: Comparative Anatomy and Taxonomy I. Diurnal behavior of Lemur mongoz at Ampijoroa, Madgascar. Primate species separation in relation to secondary compounds. Food partitioning among Malagasy primates. International Journal of Primatology, 7, 17–30. Feeding behavior of Lemur catta and Lemur fulvus. Diet as a possible determinant of cathemeral activity patterns in primates. Phoenix:University of Arizona Press.Įngqvist, A. Klein (Eds.), Quarternary Extinctions (pp. Extinctions in Madagascar: The loss of the subfossil fauna. American Journal of Physical Anthropology, 75, 201.ĭewar, R.E. An unusual activity pattern for the mantled howler monkey of Belize. Ganzhorn (Eds.), Lemur Social Systems and Their Ecological Basis (pp. The socioecology of Eulemur macaco: a preliminary report. Chivers (Ed.), Food Acquistion and Processing in Primates, (pp. Morphology of the gastrointestinal tract in primates: comparisons with other mammals in relation to diet. Chicaeo:Universitv of Chicaeo Press.Ĭhivers, D.J. Struhsaker (Eds.), Primate Societies ,(pp. Lorises, bushbabies, and tarsiers: diverse societies in Solitary Foragers. Foraging Strategies, Diet and Competition in Olive Baboons. American Journal of Science, 293A, 356–382.īarton, R.A. Alouattine primates: Reflections on the comparative method. Observational Study of behavior: Sampling Methods. This process is experimental and the keywords may be updated as the learning algorithm improves.Īltmann, J. These keywords were added by machine and not by the authors. In addition, Wright (1985, 1989) observed that the traditionally nocturnal night monkey ( Aotus trivirgatus) was active during the day in Paraguay presumably due to the rarity of large diurnal raptors. For example, howling monkeys move and feed at night, although rarely (Dahl and Hemingway, 1988). There is evidence that some New World primates may be active day and night. However, it has not yet been determined whether activity during the day and night is a seasonal phenomenon or a year-round pattern typical for Malagasy lemurids. These observations led Tattersall (1988) and Fleagle (1988) to propose and define the word “cathemeral” as a possible label for this unusual activity pattern. rubriventer have been observed to be active irregularly during both the day and night. mongoz appears to seasonally switch from a diurnal activity cycle to a completely nocturnal activity pattern, other species such as E. mayottensis: Tattersall, 1977 Tattersall, 1979 E. mongoz: Sussman and Tattersall, 1976 Tattersall and Sussman, 1975 E. However, researchers investigating the behavior and ecology of Malagasy prosimian primates discovered that many species in the genus Eulemur traditionally labeled as diurnal also were active at night ( E. ![]() Traditionally primates have been described as displaying either nocturnal (active only at night) or diurnal (active only during daylight hours) activity cycles.
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