no
The mallard is an omnivore, it is a dabbling duck which will feed on weed but it will also eat frogs or insects should the opportunity arise.
No.
Foxes, and raccoons eat young mallard ducks. Snapping turtles will also eat them. Mallard duck eggs are eaten by snakes, and crows.
You can eat eggs from any type of duck, it is illegal to in any way kill a wild mallard duck. You can only eat domesticated mallard ducks or their eggs.
Yes.
Cattails
Chilton's Eat Algae
Frogs do eat Algae but frogs prefer to eat insects but if all else fails they eat algae
yes they do
No.
pokemon eat algae probably
Mallard ducks are omnivores. They eat invertebrates, fish, plants and amphibians.