Titlebook: Evolution of Gibbons and Siamang; Phylogeny, Morpholog Ulrich H. Reichard,Hirohisa Hirai,Claudia Barelli Book 2016 Springer Science+Busines

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The Evolution of Gibbons and Siamanghad perished, but the small apes of Asia prospered and began to diversify. We suggest three key adaptations that were responsible for hylobatids success and survival: (1) perfection of forelimb suspensory locomotion (FSL) including regular, continuous ricochetal brachiation, (2) reduction of group s

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Locomotion and Posture in Ancestral Hominoids Prior to the Split of Hylobatidsd data from hylobatids has been available until now to fully evaluate this hypothesis in light of all hominoid taxa. Using recently published positional behavior data from a population of adult white-handed gibbons (.) from Khao Yai National Park, Thailand, and integrating these data with a diverse

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The Fossil Record and Evolutionary History of Hylobatids, it is likely that stem hylobatids migrated northwards from Southeast Asia during the late Miocene, but the Neogene fossil record from this region is poorly documented. Hylobatids occur at a number of Pleistocene archaeological and paleontological sites throughout southern China and Southeast Asia,

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Hylobatid Evolution in Paleogeographic and Paleoclimatic Contextis time. In Asia, primate-friendly ecological conditions may have spurred the divergence of stem hylobatids from Asian stem hominoids. Following the middle Miocene climatic optimum, however, the climate changed dramatically. Average global temperature decreased while aridity increased leading to mor

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Unique Evolution of Heterochromatin and Alpha Satellite DNA in Small Apesniques. Emphasis is placed on alpha satellite DNA, which consists of tandemly repeated sequences contained in the centromere. We first describe two events that have taken place in the small ape genome and are likely to have significance in the genome evolution. We then explore fine structures of sma

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Selective Value of Characteristic Size Parameters in Hylobatids. A Biomechanical Approach to Small A’ own dissections and measurements, and (iii) knowledge of mechanical conditions and physical laws that govern posture and ideomotoric movement as well as locomotion in animals. By applying physical laws, attempts are made to pin down selective pressures that act on the body and give it its characte

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The Evolution of Technical Intelligence: Perspectives from the Hylobatidaetween tool and goal object were not physically situated in the task layout, gibbons performed poorly. This is unexpected given the taxonomic position of the Hylobatidae and their level of cortical development. However, given their unique socio-ecological adaptations, this may reflect differences in