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Title: Lateral position preference in grazing feral horses
Authors: Inoue, Sota
Yamamoto, Shinya  kyouindb  KAKEN_id  orcid https://orcid.org/0000-0002-7556-6151 (unconfirmed)
Ringhofer, Monamie
Mendonça, Renata S.
Hirata, Satoshi  kyouindb  KAKEN_id  orcid https://orcid.org/0000-0002-1026-6270 (unconfirmed)
Author's alias: 井上, 漱太
山本, 真也
平田, 聡
Keywords: drone
horses
laterality
spatial positioning
Issue Date: Jan-2020
Publisher: Wiley
Journal title: Ethology
Volume: 126
Issue: 1
Start page: 111
End page: 119
Abstract: Behavioural lateralisation is an effective way for animals to manage daily tasks by specialising behaviour to either side of the body. Many types of lateralisation are linked to the function of each brain hemisphere. Lateralisation of monitoring behaviour in mother–infant relationships occurs in a wide range of mammals, where infants frequently use their left eye to monitor their mother. However, few studies have focused on this type of spatial relationships among adults in daily life, such as during foraging. The present study focused on monitoring adult feral horse behaviour using quantitative analysis of spatial relationships, using drone technology. We found that horses form a localised spatial relationship with their nearest neighbour. Specifically, the nearest neighbour was located to the left rear of a target individual significantly more frequently than to the right rear. Furthermore, the nearest neighbour was less frequently located behind a target individual. We propose that this relationship is caused by a left‐eye preference, because information via the left eye predominantly proceeds to the right hemisphere, which is dominant for social processing.
Rights: This is the peer reviewed version of the following article: Inoue, S, Yamamoto, S, Ringhofer, M, Mendonça, RS, Hirata, S. Lateral position preference in grazing feral horses. Ethology. 2020; 126: 111– 119, which has been published in final form at https://doi.org/10.1111/eth.12966. This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Use of Self-Archived Versions.
The full-text file will be made open to the public on 4 October 2020 in accordance with publisher's 'Terms and Conditions for Self-Archiving'.
この論文は出版社版でありません。引用の際には出版社版をご確認ご利用ください。
This is not the published version. Please cite only the published version.
URI: http://hdl.handle.net/2433/252839
DOI(Published Version): 10.1111/eth.12966
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