Document Detail

Locomotion and posture of the Malayan siamang and implications for hominoid evolution.
MedLine Citation:
PMID:  1010498     Owner:  NLM     Status:  MEDLINE    
Wild, adult siamang were observed for over 800 h in lowland dipterocarp forest in the Krau Game Reserve, Pahang, West Malaysia. Siamang use four patterns of locomotion: brachiation, climbing, bipedalism and leaping. The pattern of locomotion used by the siamang varies with the size of arboreal supports and with major behavioral activity. Travel is primarily by brachiation along large boughs. Locomotion during feeding is primarily climbing among small branches. In feeding, siamang use suspensory postures among small supports and seated postures on large supports. Comparison of siamang locomotion and posture with that of other apes suggest that quadramanous climbing during feeding is the basic hominoid locomotor adaptation.
J G Fleagle
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Publication Detail:
Type:  Comparative Study; Journal Article; Research Support, U.S. Gov't, Non-P.H.S.    
Journal Detail:
Title:  Folia primatologica; international journal of primatology     Volume:  26     ISSN:  0015-5713     ISO Abbreviation:  Folia Primatol.     Publication Date:  1976  
Date Detail:
Created Date:  1977-03-31     Completed Date:  1977-03-31     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  0370723     Medline TA:  Folia Primatol (Basel)     Country:  SWITZERLAND    
Other Details:
Languages:  eng     Pagination:  245-69     Citation Subset:  IM    
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MeSH Terms
Feeding Behavior / physiology
Hominidae / physiology*
Hylobates / physiology

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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