How are capuchins successfully abducting infant howler monkeys?

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Capuchins Abduct Infant Howler Monkeys Through Unexplained Methods

The precise mechanisms by which white-faced capuchin monkeys successfully abduct infant howler monkeys remain a mystery to researchers. Observations indicate that these abductions occur despite adult howler monkeys being significantly larger, with adults being three times the size of capuchins. Furthermore, the capuchins appear to achieve these abductions without sustaining injuries.
Abductions Occur Despite Size Disparity

Despite the considerable size difference between adult howler monkeys and the white-faced capuchins, the latter are remarkably effective at abducting the infants. This suggests a level of stealth or tactical advantage that is not yet fully understood by scientists studying the phenomenon. The capuchins are capable of successfully taking even very young infants, as young as one or two days old, from their mothers.
Methods Remain Unclear, Likely Occur in Trees

The exact methods employed by the capuchins to carry out these abductions are not fully understood, primarily because the observed events likely take place high in the trees. The motion-triggered cameras used for monitoring are positioned to cover the ground, meaning the critical moments of the abductions themselves are not captured. This lack of direct visual evidence leaves the specific techniques used by the capuchins to be inferred rather than directly observed.
Lack of Predators and Abundant Food Contribute to Free Time

The capuchin population on Jicaron Island, where this behaviour was first documented, enjoys a unique environment with no natural predators and ample food resources. This abundance allows the capuchins a significant amount of free time, which researchers suggest may contribute to the development of novel behaviours and social trends. This surplus of time and lack of immediate threats may facilitate experimentation and the spread of such unusual activities.

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How are capuchins successfully abducting infant howler monkeys?

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