The collecting mania of the enlightenment backed strict believers in the story of Noah and the Ark into a tricky corner.
As zoologists, botanists, amateur naturalists, and professional hunters scoured the earth, bagging and boxing every living thing – not to mention every trace of any once living thing – the creationists of the time could no longer overlook the growing mountain of evidence. How could Noah have possibly fit all that into one measly ark? As Sheriff Brody so eloquently said in the movie Jaws, you're gonna need a bigger boat.