NDLI: Food-snatching behavior of free-ranging Japanese macaques observed on Shodoshima Island: a preliminary report

Content Provider	Springer Nature Link
Author	Hadi, Islamul Tsuji, Yamato Suryobroto, Bambang Watanabe, Kunio
Copyright Year	2012
Abstract	We investigated the characteristics of a particular food-snatching behavior in which one individual forced another’s mouth open and grabbed the food, as performed by free-ranging Japanese macaques (Macaca fuscata) in Choshikei Monkey Park on Shodoshima Island, western Japan. We conducted a survey in late June 2012 and observed one of two monkey troops, comprising 214 monkeys. We recorded the age classes and sexes of the individuals who performed the snatching behavior and were snatched from, and examined the effects of provisioned food distribution and quantity on the frequency of snatching trials and success. During the survey, we recorded 747 snatching trials, of which 609 were successful, all of which were performed by seven individuals: one adult male and six adult females. The snatching behavior occurred only during provisioning. The target animals were primarily juveniles (650 trials, 578 successful), while cases in which food was snatched from adult females (93 trials, 30 successful) and subadult females (4 trials, 1 success) were less frequent. Among the juveniles, small juveniles had food snatched more frequently than large juveniles. The higher frequency of snatching trials against juveniles was likely due to their subordinate nature. Neither the distribution nor quantity of the provisioned foods had significant effects on the number of snatching trials and successes, while the time elapsed after provisioning had significant negative effects, attributed to a decrease in the number of wheat grains left within the mouth pouch of the potential target animals.
Starting Page	153
Ending Page	158
Page Count	6
File Format	PDF
ISSN	00328332
Journal	Primates
Volume Number	54
Issue Number	2
e-ISSN	16107365
Language	English
Publisher	Springer Japan
Publisher Date	2012-12-28
Publisher Place	Japan
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Choshikei Distribution Japanese macaques Macaca fuscata Snatching behavior Shodoshima Zoology Animal Ecology Behavioural Sciences Evolutionary Biology
Content Type	Text
Resource Type	Article
Subject	Animal Science and Zoology

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