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Continuity mistake: Just before Kong is gassed and captured, he picks up someone and bites his head. In a close up, he has them by the legs, then in the long shot he is biting their head. (01:22:00)
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Continuity mistake: This happens in King Kong's death scene. After he puts down Ann for the last time, he is shot and his right arm goes limp. In the close-up, he's suddenly using that limp arm to hold on to a spire. (01:38:05)
Suggested correction: Well, it's said in the official Anthony Browne book adaptation that Kong got shot in the throat, not the arm. That's probably what's going on.
I believe the submitter meant that after Kong puts Ann back down for the last time, when Kong is shot (in the neck area) in the wide shot, Kong's upper body and (limp) right arm lean over in front of the building's spire, but it cuts to the close-up, and now Kong's right arm is suddenly up behind the spire with his right hand gripping that spire. This is how I interpreted the mistake.
That's exactly what the mistake is saying. The correction misses the mark.