The mysterious disappearance of a beloved goat at a popular farm and children's petting zoo in the Berkeley hills is worrying naturalists who suspect a prankster but fear something more fiendish. The 16-year-old goat, affectionately named Honey, vanished overnight on Jan. 7 from the Tilden Little Farm on the north end of Tilden Park and no trace of her has been found since. The friendly, engaging goat, known among breeders as an Oberhasli or "Swiss Alpine," could not have jumped over the 5-foot-high fence herself, so she must have been carried out, said David Zuckerman, the supervising naturalist for Tilden...