Sound designer in California has revealed some secrets of Jurassic Park . one of the well - known scenes from the animated film is the kitchen scene . He said the dinosaur 's ' barking ' noise was made by tortoises having sex . Other dinosaur noises were ' voiced ' by a variety of animals . These include horses , donkeys , cattle , and a dog for barking Rex .
Sound designer in California has revealed some secrets of Jurassic Park . One of the well-known scenes from the 1993 film is the kitchen scene . He said the velociraptor 's 'barking ' noise was made by tortoises having sex . Other dinosaur sounds were 'voiced ' by a variety of animals . These include horses , donkeys , cattle , and a dog for Tyrannosaurus Rex .