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: Survival the game. Felix Kupis, another senior designer, worked on the levels' layouts using 3DS Max. Art director Rob Stahl developed the visual design of the game's levels, buildings, vehicles, and weapons based on what was featured in the series' first two films, "Jurassic Park" and "", as the third film was still in production and could not provide visual reference. Stahl also co-created gameplay scenarios and worked with the engineering team to develop Savage's game engine. Stahl said "Jurassic Park: Survival" was "one of the more challenging" projects he had worked on: "In a lot of ways it was the