Jurassic Park III dinosaur-bird connection, said the feathers quills added to the "Velociraptor" for "Jurassic Park III" "looked like a roadrunner's toupee", but conceded that feathers are difficult subjects for computer animation and speculated that "Jurassic Park IV"'s raptors would have more realistic with plumage. In 2002, Crichton said he had not watched the film. A teaser trailer was released online in September 2000. Universal avoided excessive early marketing to prevent a possible backlash; the studio believed awareness of the film was already sufficient. Marketing began in April 2001, three months before the film's release. The first footage from the film was aired
Jurassic Park (film) 23, 2011. It wound up grossing £245,422 ($786,021) from 276 theaters, finishing at eleventh on the weekend box office list. Two years later, on the 20th anniversary of "Jurassic Park," a 3D version of the film was released in cinemas. Spielberg declared that he had produced the film with a sort of "subconscious 3D", as scenes feature animals walking toward the cameras and some effects of foreground and background overlay. In 2011, he stated in an interview that "Jurassic Park" was the only of his works he had considered for a conversion. Once he saw the 3D version of "Titanic"