More than 1,000 toad corpses have been found at a pond in Hamburg and over the border in Denmark after swelling up to 3½ times their normal size and bursting. A Berlin veterinarian studying the exploded amphibian remains has a theory: Hungry crows are pecking out their livers. "The crows are clever. They learn quickly from watching other crows how to get the livers," he said. View photos and read more at local6.com(1).