Ceratosaurus was one of the biggest hunters of the Late Jurassic period (153-148 million years ago). Estimated to have been around 19.5-23 feet long (6-7m), it had a row of sharp horns on its head and ...

Using your horn to say g'day, tell someone you're here or to tell them to just 'get off the road' is actually against the law. Victoria Police posed the question "Can you beep your horn to call out to ...