According to mainstream science, the world's biggest bat is the Bismark flying fox, an animal that never gets larger than six feet from wingtip to wingtip. At least some cryptozoologists think the Bismark's reputation should be sunk.
Reports coming out of the Philippines describe huge, black creatures swimming the Tikis River, near the former mining village of Buhawen, scaring the daylights out of families for years. Locals first spotted the seven-foot creatures in 2001, after mistaking them for logs.