As the credits are rolling a stick of dynamite with a burning fuse sometimes falls past them. In the 3D version, it is sometimes in the background and sometimes the foreground. When the credits end the dynamite explodes.
At the end of the movie, the bird flies out of the picture and creates a bright flash. The end credits begin with a couple of the bird's feathers drifting down.
The film begins with the sound of a T-Rex walking, which causes the New Line and Walden Media company logos to vibrate slightly.