They love grass and can get almost all that they need from it. Smaller and less agile than most, make them very suitable for your backyard. If you want them to eat more than grass, they must be fed broad leaf weeds very early on. And can be great pets if handled early. Because of their long necks they are very graceful on ponds. They are descendants of from the Wild Swan Goose of Asia. And with their distinctive knobs are more prominent in males than females