What are changelings (bortbytingar) in Swedish folklore?
In some areas the changeling would be exposed by cooking soup in an eggshell — a sight so strange that the supernatural creature would lose composure and give itself away 在瑞典民间传说中,调换婴儿(bortbytingar)是指人类儿童被超自然生物——侏儒、巨魔或精灵——换成了它们自己的后代。这一信仰起源于对无法用医学解释的先天残疾或发育障碍的解释。父母有时会进行残酷的测试来迫使被调换的孩子暴露身份。这一信仰从中世纪到19世纪在北欧地区尤为盛行。