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Title: Mandibular sawing in a snail-eating snake
Authors: Kojima, Yosuke
Fukuyama, Ibuki
Kurita, Takaki
Hossman, Mohamad Yazid Bin
Nishikawa, Kanto
Author's alias: 児島, 庸介
福山, 伊吹
栗田, 隆気
西川, 完途
Keywords: Ecology
Evolution
Zoology
Issue Date: 29-Jul-2020
Publisher: Springer Nature
Journal title: Scientific Reports
Volume: 10
Thesis number: 12670
Abstract: The jaws of vertebrates display a striking diversity in form and function, but they typically open and close like a trapdoor rather than sliding like a saw. Here, we report unique feeding behaviour in the blunt-headed snail-eating snake, Aplopeltura boa (family Pareidae), where the snake cuts off and circumvents the indigestible part (the operculum) of its prey in the mouth using long sliding excursions of one side of the mandible, while the upper jaws and the mandible on the other side maintain a stable grasp on the prey. This behaviour, which we call ‘mandibular sawing’, is made possible by extraordinarily independent movements of the jaw elements and is a surprising departure from usual feeding behaviour in vertebrates.
Description: ヘビが顎をノコギリのように使うことを発見 --ボルネオ島での爬虫両生類の生態調査で--. 京都大学プレスリリース. 2020-07-31.
Rights: © The Author(s) 2020. This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.
URI: http://hdl.handle.net/2433/253527
DOI(Published Version): 10.1038/s41598-020-69436-7
Related Link: http://www.kyoto-u.ac.jp/ja/research/research_results/2020/200729_1.html
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