Li Mingchuan has also been steadfast in performing his long-term observations, and whenever he has time, he goes to lakes to record data for his research on swan wintering areas. These have filled notebook upon notebook. Far and wide he is known as a swan expert.
同時，李明傳堅持常年觀測，一有時間，便跑到湖區，觀察研究天鵝的棲息情況，掌握了第一手材料，做了大量的筆記，成了遠近聞名的「天鵝專家」。