The scene where the falcon starts freaking out was caused by somebody upsetting it from behind. If you look closely you can see the arm of one of the crew behind the bird causing it to be upset. I believe the arm might belong to Dan Haggerty
, who is also uncredited for this film, but who worked on the film as the animal handler. He later went on to become "Grizzly Adams" in the TV series The Life and Times of Grizzly Adams
(1977). See more
You know, you've done some amazing things here, Sam. Hollowed out a whole little world for yourself. I bet there's not another boy in the whole civilized world who's done anything like it.
Yeah, but that's not why I came.
Why did you come, Sam?
Well, I came because I thought the only way to know nature was to live with it. Like Thoreau. You know? And I came because of my experiments. I learned all about algae under the conditions of nature. And I learned about survival. And... I learned about ...