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	Morphology, echolocation and foraging behaviour in two sympatric sibling species of bat (tylonycteris pachypus and tylonycteris robustula) (chiroptera : vespertilionidae)
	Zhang, L.; Liang, B.; Parsons, S.; Wei, L.; Zhang, S.
刊名	Journal of zoology
	2007-03-01
卷号	271期号:3页码:344-351
关键词	Echolocation calls Flight speed Foraging behaviour Resource partitioning Tylonycteris pachypus Tylonycteris robustula Wing morphology
ISSN号	0952-8369
DOI	10.1111/j.1469-7998.2006.00210.x
通讯作者	Zhang, l.(zhangsy@ioz.ac.cn)
英文摘要	We studied the wing morphology, echolocation calls, foraging behaviour and flight speed of tylonycteris pachypus and tylonycteris robustula in longzhou county, south china during the summer (june-august) of 2005. the wingspan, wing loading and aspect ratio of the two species were relatively low, and those of t. pachypus were lower compared with t. robustula. the echolocation calls of t. pachypus and t. robustula consist of a broadband frequency modulated (fm) sweep followed by a short narrowband fm sweep. the dominant frequency of calls of t. pachypus was 65.1 khz, whereas that of t. robustula was 57.7 khz. the call frequencies (including highest frequency of the call, lowest frequency of the call and frequency of the call that contained most energy) of t. pachypus were higher than those of t. robustula, and the pulse duration of the former was longer than that of the latter. the inter-pulse interval and bandwidth of the calls were not significantly different between the two species. tylonycteris pachypus foraged in more complex environments than t. robustula, although the two species were both netted in edge habitats (around trees or houses), along pathways and in the tops of trees. tylonycteris pachypus flew slower (straight level flight speed, 4.3 m s(-1)) than t. robustula (straight level flight speed, 4.8 m s(-1)). we discuss the relationship between wing morphology, echolocation calls, foraging behaviour and flight speed, and demonstrate resource partitioning between these two species in terms of morphological and behavioural factors.
WOS关键词	INSECTIVOROUS BATS ; MYOTIS-LUCIFUGUS ; PREY DETECTION ; HIPPOSIDERID BATS ; RHINOLOPHOID BATS ; FLIGHT MORPHOLOGY ; PIPISTRELLE BATS ; WING MORPHOLOGY ; HORSESHOE BAT ; BODY-SIZE
WOS研究方向	Zoology
WOS类目	Zoology
语种	英语
出版者	BLACKWELL PUBLISHING
WOS记录号	WOS:000244520400014
内容类型	期刊论文
URI标识	http://www.corc.org.cn/handle/1471x/2382028
专题	中国科学院大学
通讯作者	Zhang, L.
作者单位	1.Chinese Acad Sci, Inst Zool, Beijing 100080, Peoples R China 2.Chinese Acad Sci, Grad Sch, Beijing 100080, Peoples R China 3.Univ Auckland, Sch Biol Sci, Auckland 1, New Zealand 4.Guangxi Normal Univ, Inst Life Sci, Guilin, Peoples R China 5.E China Normal Univ, Sch Life Sci, Shanghai 200062, Peoples R China
推荐引用方式 GB/T 7714	Zhang, L.,Liang, B.,Parsons, S.,et al. Morphology, echolocation and foraging behaviour in two sympatric sibling species of bat (tylonycteris pachypus and tylonycteris robustula) (chiroptera : vespertilionidae)[J]. Journal of zoology,2007,271(3):344-351.
APA	Zhang, L.,Liang, B.,Parsons, S.,Wei, L.,&Zhang, S..(2007).Morphology, echolocation and foraging behaviour in two sympatric sibling species of bat (tylonycteris pachypus and tylonycteris robustula) (chiroptera : vespertilionidae).Journal of zoology,271(3),344-351.
MLA	Zhang, L.,et al."Morphology, echolocation and foraging behaviour in two sympatric sibling species of bat (tylonycteris pachypus and tylonycteris robustula) (chiroptera : vespertilionidae)".Journal of zoology 271.3(2007):344-351.

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