For decades, Seahorse Key has been a protected way station for nesting bird colonies. Thousands of brown pelicans, little blue herons, roseate spoonbills, snowy egrets, and cormorants would gather along the 150-acre mangrove-covered dune off Florida's Gulf Coast. However, the birds mysteriously disappeared last year on April 20, leaving behind eggs and an eerie silence. Since then, the bird disappearance has taken a toll on the snakes - who would once feast on fish remnants t