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Video: Study observes 'bystander pig' that intervenes to resolve conflicts | Daily Mail Online
A study from the University of Torino has revealed that when two pigs are fighting, there is a 'bystander' pig that can intervene to reduce the tension and resolve conflicts.
↗ https://www.dailymail.com/video/sciencetech/video-2811569/Video-Study-observes-bystander-pig-intervenes-resolve-conflicts.html