A Case Report About the Death Accident of Captive Chimpanzee Infant

概要

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On 4 Oct. 1988, a chimpanzee infant, the named Jacky, got entangled in rope at the outdoor enclosure in Tokyo Tama zoological park. His mother, Jarny, disentangled her son's neck from the rope and carried him inside according to the keeper's order. The keeper entered the room with Jarny and tried to get her to hand the infant to him to rescue him. But she kept hold of Jacky. The keeper ordered her to put the infant on the floor. Jarny did so and left the room. Though the vets and keepers tried to revive him through artificial respiration, he died.This short report described on the chimpanzee behaviors on the next day after Jacky died. The mother ran to the rope that had twined round her son's neck the day before and cried 'Wow, Wow, Wow' just after leaving her room. The other group members came near Jarny by turns to look at her face and/or groom her. They stayed with her for much longer time than usual. Other mother chimpanzees always stayed near and/or looked at and/or huggud their infants. After 3 years, Jarny was observed to rush to her next infant who put the rope on his neck with screaming.Did the chimpanzees understand the death of Jacky? They are seemed to have the ability of 'empathy' like as humans.
日本霊長類学会の論文