Titlebook: Hands of Primates; Holger Preuschoft,David J. Chivers Book 1993 Springer-Verlag/Wien 1993 evolution.hand.morphology.primates.surgery

circumvent

FEAT

庄严

Locomotive and manipulative use of the hand in the Cayo Santiago macaques (,)in manipulating its physical environment via eye-hand coordination. Routine hand use is directly related to habitual behavior and habitat exploration, inviting speculation that neurological and morphological correlates of propulsive and manipulative functions can be found. Frequency of hand use and

ARK

清晰

jocular

排他

Energetic cost of nut-cracking behaviour in wild chimpanzeesThe resulting assumption is that such additional food sources supply this species with a net benefit. Many reports from various sites describe a variety of tool-using behaviour in wild chimpanzees. The cracking of nuts is one of them. Here, a first attempt is made to measure the energy budget of nut

novelty

子女

New results concerning the vascularization of primate handsrevealed the most complex pattern in Old World monkeys: In Cercopithecidae, three palmar arches are formed by the perforating branches of the second dorsal metacarpal artery: two proximal (catella volaris proximalis and arcus volaris profundus) and one distal (catella volaris distalis). In Hylobatid

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