Swan goose is a beautiful bird that has many synonyms. One of its most common synonyms is the Chinese goose, as these birds are popular in Chinese culture. Other synonyms for the swan goose include black-naped crane goose, eld's goose, and bar-headed goose. The black-naped crane goose is found in Japan and is known for its distinct black stripe on its nape. Eld's goose is named after the Swedish naturalist that first described it. Finally, the bar-headed goose is found in Central Asia and is known for its ability to fly over the Himalayan mountains. No matter which synonym you use, the swan goose is a majestic and fascinating bird that can be found around the world.