I believe there were originally raptors on the boat that killed everyone, but they were quickly killed when they got onto the mainland. This was later edited from the film.
I don't know that I would necessarily class Wes Anderson as "The Greatest American Director Working Today". He just hasn't made enough films yet. But give him time, get him a chance to get a few more films under his belt, and he would be a definite possibility. He certainly is one of modern...