noun
greater white-fronted goose
A species of goose (Anser albifrons). Typically written in katakana as マガン.
冬になると、マガンが日本に渡ってくる。
In winter, greater white-fronted geese migrate to Japan.
The name マガン likely derives from 真 (ma, 'true') + 雁 (gan, 'wild goose'), but the exact origin is uncertain.