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Preston Cook, a retired real estate investor and the driving force behind the movement to officially designate the bald eagle as the national bird, has amassed a collection that reflects his obsession with the species. His collection, which includes over 40,000 items associated with bald eagles, occupies an entire room next to the education center. This passion was ignited during his youth, where the brass buttons on his military uniform featured the eagle, and has since evolved into a lifelong pursuit of understanding and celebrating the bird.