《太平广记·卷四百八十二·蛮夷三》
头落在河岸边的泥中，找些螃蟹、蚯蚓之类的东西吃，将要天亮时才飞回来，像做梦忽然醒了似的，然而却觉得肚子里已经很饱了。
乃于岸泥，寻蟹蚓之类食之，将晓飞还，如梦觉，其腹实矣。
The head would land into the mud by the riverbank. It would look for little things like crabs and earthworms to eat. It would fly back when dawn was approaching, as if it had suddenly woken up from a dream, yet its stomach would feel full.