Mick Miners was herding sheep on a four-wheeler last week when he stumbled upon a pointy black object that looked more than nine feet tall. It reminded him of either a burned tree or a piece of farm machinery.
“Pretty frightening, actually,” Mr. Miners, 48, said by phone on Thursday from his roughly 5,000-acre property in a remote corner of southeastern Australia.
“I was quite surprised,” he added. “It’s not something you see every…