Cape Cod is known for its lobsters and its growing great white shark population, but now the holiday hotspot has another extraordinary animal to showcase: A rare two-headed diamondback terrapin that is surviving against the odds.The baby turtle, which weighed just 0.18 ounces (5.2 grams), was brought to the Cape Wildlife Center in Barnstable, Massachusetts, on Sept. 17, according to a Facebook post from the wildlife center. It was originally found by representatives of the Mass Audubon Wellfleet Bay Wildlife Sanctuary at a protected nesting site in the town of Wellfleet.The turtle's condition, known as bicephaly, is a rare developmental disorder that's typically caused by the incomplete spli...