This question is rather old but I always make up a new answer when I scroll by it >w<
Animals can in fact understand us humans and other animals. They show this by reactin to us with body movements and sounds. I don’t believe that they understand our language, but they understand our tone of voice and behavior. Aka, why we are able to train animals :)
What video? Its <u><em>MAY </em></u> best for you to post the link!
