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A magnetic compass guides the direction of foraging in a bat.
Tian, Lanxiang; Zhang, Bingfang; Zhang, Jinshuo; Zhang, Tongwei; Cai, Yao; Qin, Huafeng; Metzner, Walter; Pan, Yongxin
2019-08-01
Source PublicationJournal of Comparative Physiology A Sensory Neural and Behavioral Physiology
ISSN0340-7594
Volume205Issue:4Pages:619-627
AbstractPreviously, two studies have provided evidence that bats can use magnetic field cues for homing or roosting. For insectivorous bats, it is well established that foraging represents one of the most fundamental behaviors in animals relies on their ability to echolocate. Whether echolocating bats can also use magnetic cues during foraging remains unknown, however. Here, we tested the orientation behavior of Chinese noctules (Nyctalus plancyi) during foraging in a plus-shaped, 4-channel apparatus under different magnetic field conditions. To minimize the effects of spatial memory on orientation from repeated experiments, naive bats were tested only once in each experimental condition. As expected, under geomagnetic field and a food resource offered conditions, the bats significantly preferred to enter the channel containing food, indicating that they primarily relied on direct sensory signals unrelated to magnetic cues. In contrast, when we offered food simultaneously in all four channels and minimized any differences in all other sensory signals available, the bats exhibited a clear directional preference to forage along the magnetic field direction under either geomagnetic field or a magnetic field in which the horizontal component was rotated by 90[degree]. Our study offers a novel evidence for the importance of a geomagnetic field during foraging.
Language英语
WOS Research AreaZoology ; Nutrition & Dietetics ; Behavioral Sciences ; Environmental Sciences & Ecology
WOS SubjectZOOLOGY ; NUTRITION DIETETICS ; BEHAVIORAL SCIENCES ; ENVIRONMENTAL SCIENCES
WOS IDWOS:ZOOR15512081480
Citation statistics
Document Type期刊论文
Identifierhttp://ir.iggcas.ac.cn/handle/132A11/95713
Collection地球与行星物理院重点实验室
AffiliationChinese Acad Sci, Inst Geol & Geophys, Beijing, 100029, China
First Author AffilicationInstitute of Geology and Geophysics, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Tian, Lanxiang,Zhang, Bingfang,Zhang, Jinshuo,et al. A magnetic compass guides the direction of foraging in a bat.[J]. Journal of Comparative Physiology A Sensory Neural and Behavioral Physiology,2019,205(4):619-627.
APA Tian, Lanxiang.,Zhang, Bingfang.,Zhang, Jinshuo.,Zhang, Tongwei.,Cai, Yao.,...&Pan, Yongxin.(2019).A magnetic compass guides the direction of foraging in a bat..Journal of Comparative Physiology A Sensory Neural and Behavioral Physiology,205(4),619-627.
MLA Tian, Lanxiang,et al."A magnetic compass guides the direction of foraging in a bat.".Journal of Comparative Physiology A Sensory Neural and Behavioral Physiology 205.4(2019):619-627.
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