?Thian-gô
Cygnus olor
Seng-bu̍t-ha̍k hun-lūi
Kài: Animalia
Mn̂g: Chordata
Kong: Aves
Bo̍k: Anseriformes
Kho: Anatidae
A-kho: Anserinae
Sio̍k: Cygnus
Bechstein, 1803
Chéng

Ū 6-7 chéng

Siâng-ì-miâ

Cygnanser Kretzoi, 1957

Thian-gô (Cygnus) sī chi̍t chióng tōa-hêng ê chiáu-á. Seng-bu̍t-ha̍k ê hun-lūi sio̍k thian-gô-sio̍k (Cygnus) ê pín-chéng lóng-sī.