Maternal exploitation: impact of maternal food snatching behaviour on the growth of their offspring in Japanese macaques

There is little information on maternal behaviour that deprives offspring of food, but some Japanese macaque, Macaca fuscata, mothers have been observed to snatch food from their offspring and eat it. This study investigated maternal food snatching behaviour (MFSB) and its impact on the growth of th...

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Bibliographic Details
Published in:Primates 2024-11
Main Author: Kurita, Hiroyuki
Format: Article
Language:English
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Summary:There is little information on maternal behaviour that deprives offspring of food, but some Japanese macaque, Macaca fuscata, mothers have been observed to snatch food from their offspring and eat it. This study investigated maternal food snatching behaviour (MFSB) and its impact on the growth of their offspring in provisioned, free-ranging Japanese macaques. The amount of food a mother snatched from her offspring was estimated to be 51.2% by dry weight compared to the amount of solid food an infant of the same age took in. Body mass growth of affected infants indicated a below-average mass gain. The study suggests that MFSB might be a pathological behaviour and provides the first detailed account of parental exploitation in animals.
ISSN:0032-8332
1610-7365
1610-7365
DOI:10.1007/s10329-024-01166-0