A keeper working in a barn for the African Plains exhibit laid a padlock down on a convenient ledge. When he went to retrieve the lock a few minutes later it wasn’t there. He looked high and low but the missing lock was nowhere to be found. He even checked the floor of the nearest stall, several feet from the ledge, a feat made rather more difficult by the presence of a large, male ostrich right by the door.
There was no sign of the lock in the stall, but then the keeper noticed a suspicious bulge halfway down the ostrich’s neck. As he watched the bulge traveled down the length of the neck and disappeared. The lock was never found.