What are the swans fed in the park?

Aquatic plants, small fish, insects and other foods.

Aquatic plants: swans can eat the roots, stems, leaves and fruits of aquatic plants. Plants include algae, phytoplankton and aquatic vegetables.

2, small fish: swans can prey on aquatic animals such as small fish. Animals can provide protein and other nutrients.

3. Insects: Swan can also eat mollusks such as insects. Swan, also known as Honghu Lake, belongs to Duck family, a large waterfowl. Swan has a white body and a slender neck, which is longer than or equal to the body length; The floor of the mouth is high and the front end is flat, and the eye glands are exposed; The tail is short and round with dozens of tail feathers; Strong webbed, but no webbed flap on the back toe.