Movie 2

Three male gorillas fighting at the St Louis Zoo. This file shows a portion of a video that was posted on YouTube on June 19, 2015 by “Hillbillyunlimited”. Specific events that are relevant to this study include a lateral strikes to the head (00:01), a downward strike to the head (00:04), a head pull (00:08), a downward strike to the head (00:10), a lateral strike to the head (00:14), another lateral strike to the head (00:15), and an extended grappling bout (00:16 – 00:27).