"A strong, deep hoot means a boy; a harsh, shrill hoot means a girl," says Hu Chin-nan, adding that if the hoot ends with a rasping noise, the girl will be talkative.
「雄厚的呼呼叫聲，就是男孩；又細又尖的叫聲就是女孩」，胡金男說，若尾音帶有雜音代表女孩子愛說話。