Researchers hesitate to fully embrace ancient, four-legged snake

Snakes seem like pretty distinct animals. The shape of a snake is very recognizable, to the point spotting these creatures likely helped shape human vision. However, defining a snake isn’t actually as easy as looking for a long, slithering thing that might bite us. Identification is even harder when you’re looking at a 120 million year old skeleton … Continue reading Researchers hesitate to fully embrace ancient, four-legged snake