There are many quotes in the news in the last couple of days that include comments like: "They are very aggressive, like animals." ...
No, that is not how animals behave. it is however sometimes how people behave. Labeling groups of people as not human has a very dark history.
Here's what Mark Twain had to say about this at the end of chapter 6 in his last unpublished work: The Mysterious Stranger and Other Stories: https://www.gutenberg.org/files/3186/3186-h/3186-h.htm