article_snippet: But as Two raptors make Two raptors screeches and calls, you might be surprised to know Other dinosaur sounds actually come from tortoises having sex.
article_snippet: It turns out that many of the dinosaur sounds in the 1993 film were made by recording modern animals - including, bizarrely, tortoises mating.
article_snippet: Sound designer in California has revealed some secrets of Jurassic Park - and it turns out the velociraptor's 'barking' noise (kitchen scene shown) was made by tortoises having sex.
article_snippet: Specifically, Professor Anna Wilkinson from the University of Lincoln says the ‘bark’ when one velociraptor first comes in the kitchen was created by recording a tortoise successfully mate with another at Marine World.
article_snippet: This confirms what was reported by Vulture back in 2013, that tortoise sounds were behind the noise of the raptors.
article_snippet: And a trailer confirmed velociraptors would be making a return in the film - but whether they will similarly be voiced by mating tortoises you’ll have to wait and see whether similar sound effects have been used.
article_snippet: And a trailer confirmed that velociraptors (shown) would be making a return in the film - but you’ll have to wait and see whether similar sound effects have been used .
highlights_snippet: Sound designer in California has revealed some secrets of Jurassic Park .
  
highlights_snippet: He said the velociraptor's 'barking' noise was made by tortoises having sex .
  