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Issue:ISSN 1000-7083
          CN 51-1193/Q
Director:Sichuan Association for Science and Technology
Sponsored by:Sichuan Society of Zoologists; Chengdu Giant Panda Breeding Research Foundation; Sichuan Association of Wildlife Conservation; Sichuan University
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Your Position :Home->Past Journals Catalog->2011 Vol.30 No.3

Morphology of Digestive Tract among Four Passerine Birds in Wenzhou, Zhejiang Province
Author of the article:LIN Lin1, WANG Huan-huan2, HUANG Ke-jian2, LIU Jin-song2*
Author's Workplace:(1. School of Life and Environmental Sciences, Hangzhou Normal University, Hangzhou 310036, China; 2. School of Life and Environmental Sciences, Wenzhou University, Wenzhou, Zhejiang Province 325035, China)
Key Words:passerine birds; digestive tract morphology; food habit
Abstract:Food quality and energy need play important roles in the animal's gut morphology. Tract morphology among four passerine birds in Wenzhou was examined in order to reveal the relationship between food habits and digestive tract morphology. Nine silky starlings Sturnus sericeus, twelve Chinese bulbuls Pycnonotus sinensis, eight little buntings Emberiza pusilla, and seven red-headed tits Aegithalos concinnus were live-trapped by mist net in Wenzhou city, Zhejiang province from April to June 2006. The results showed that the total length (TOL), total empty weight (TOE) and total dry weight (TOD) of alimentary, stomach empty weight (STE) and stomach dry weight (STD), small intestine length (SIL), small intestine empty weight (SIE) and small intestine dry weight (SID), and rectum length (REL), rectum empty weight (REE) and rectum dry weight (RED) are different among the four species. The omnivorous, Sturnus sericeus, had the largest length and/or weight of total alimentary, stomach, small intestine and rectum. In contrast to the results for Sturnus sericeus, the insectivorous bird, Aegithalos concinnus had the smallest length and/or weight of total alimentary. The results showed that the different features of gut morphology among these species are functional adaptations of the different food habits.
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