@dailymail: Much is known about the dinosaurs, but how they had s*x, has been a mystery – but now an expert has shed some light on this. In 2016, paleontologists revealed evidence of dinosaur 'mating grounds' in western Colorado. At the site, large, carnivorous dinosaurs gathered to scratch at the ground with their feet – a courtship display to attract mates. This form of 'prehistoric foreplay' - evidenced by scrape marks in the dusty ground - was similar to that of some modern birds. Read more on DailyMail.com #dinosaur #history #science #animals