When McLeach discovers Cody in the hole, McLeach reaches in with his shotgun to help Cody out. It would have to be a very large gun to reach into the bottom of the hole, yet when Cody is pulled out, the gun is shown to be quite small.
This film features an Albatross named Wilbur. The first film featured an Albatross named Orville. These two names (Wilbur and Orville) were the first names of the Wright Brothers.