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
The Lost World: Jurassic Park the "Tyrannosaurus", with screenwriter David Koepp playing the "Unlucky Bastard" who is eaten during a scene set in San Diego. Inspired by how "Jurassic Park" featured the Ford Explorer, Mercedes-Benz signed an endorsement deal to use the film to introduce its first sports utility vehicle, the M320. Spielberg did not allow for cast rehearsals, saying, "You want to capture the actors when they taste the words for the first time, when they look at each other for the first time — that's the sort of magic you can only get on a first or second take." Cinematographer Janusz Kamiński, who