There is bestiality on YouTube, and it's surprisingly easy to find. It's also surprisingly prevalent; but not in videos — in video thumbnails, some of which have racked up millions of views.
Search YouTube for "girl and her horse" and the platform will return more than 12 million results. Among the first 20 results are four videos promoted with thumbnails of women seemingly engaged in sexual acts with horses. The top search return for the query? A video titled "Fantastic Girl and Her Horse...