What Do Baby Swans Eat. They are also insectivores and will eat small insects At other times of year they also eat cultivated grains in open fields Ducks feed off of larvae and pupae usually found under rocks aquatic animals plant material seeds small fish snails and crabs. This influx of nutrients helps them grow.
Geese consume a wide variety of plant material including grass leaves roots etc. It is true to say that they will eat some small invertebrates small water beetles pond skaters etc every now and again but this is quite rare. What Do Swans Eat.
Swans living on fresh water will typically eat pondweed stonewort and wigeon grass as well as tadpoles and insects such as milfoil.
They take the molluscs which cling to the vegetation and also eat small fish frogs and worms. The mute swan is one of the worlds heaviest flying birds weighing up to 49lb 225kg. It is true to say that they will eat some small invertebrates small water beetles pond skaters etc every now and again but this is quite rare. As stated above Swans usually eat on the water.