What does the Tundra Swan eat?
Cygnus columbianus
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Diet overview
Herbivore
How it forages
Primarily herbivorous, feeding on aquatic vegetation such as pondweeds, sedges, rushes, and tubers, which they obtain by dabbling or upending in shallow water. They also graze on grasses and waste grains (corn, rice) in agricultural fields during migration and winter. Invertebrates are occasionally consumed, especially by cygnets.
When it feeds
Diurnal, actively feeding and moving during daylight hours. They may also feed at night, especially during full moons or in areas with artificial light.
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