Feral pigs have roamed the woods of the U.S. for centuries and are a major feature in the U.S. countryside, with one Twitter user famously going viral in 2020 complaining about the "30-50 feral hogs" ...

Short snouts and a flat profile -- within a span of 100 years, humans have significantly changed the shape of the skulls of German domestic pigs. This is likely down to new breeding practices ...