Tundra swans eat plants, insects, tadpoles, snails, tiny fish, seeds, grain, roots, grasses, dams, fish eggs.
(Tundra swans; eat; plants, insects, tadpoles, snails, tiny fish, seeds, grain, roots, grasses, dams, fish eggs)
Tundra swans
eat
plants, insects, tadpoles, snails, tiny fish, seeds, grain, roots, grasses, dams, fish eggs