Other mistake: When Buck tells about his fight with Rudy, he swings while saying "Back, forth" in front of the others. They are looking the wrong way. He is also swinging on nothing at all.

Ice Age: Dawn of the Dinosaurs (2009)
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Directed by: Carlos Saldanha, Mike Thurmeier
Starring: John Leguizamo, Denis Leary, Ray Romano, Eunice Cho
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Sid: I say "they're vegetarians, " you say "grrr." I say "can we talk about this?" you say "grrr." I don't call that good communication.
Momma: Grrrrrrr.
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Answer: The "green stuff" covering the view of the camera are fragments of the broccoli that were released due to the broccoli being used for hitting, likely representing the dinosaur's transition development of becoming a vegetable. The dinosaur was claimed to have become a vegetable, not that broccoli itself. The broccoli was only used, by Sid, as self-defence, turning the dinosaur into another vegetable.
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