Yes, mallards are migratory birds. In North America, mallards breeding in northern regions typically migrate south for the winter to warmer areas. Some mallards may also be year-round residents in more temperate regions.
Mallards migrate to and from various places. Mallards spent their winters throughout the United States, with the highest densities typically recorded during winter surveys along the Mississippi Flyway from Cape Girardeau, Mo., to the Gulf of Mexico.
The healthy ones can. And so can healthy Mallards too.
Eggs are normally laid between mid March and the end of July. Incubation is about 4 weeks.
It depends on how long the ducks have known you and if you feed them they might feel very comfortable, if the mallards meet other ducks it will increase the chance of them flying away, and if they do they almost always come back.
They are a giant version of mallards. They are more calm and relaxed. I suggest Rouen Ducks instead of mallards, because Rouen ducks don't fly away.
Quad City Mallards was created in 2009.
Marshes provide mallards with a variety of food, and good nesting areas. They also provide the mallards with shelter/protection form predators.
Example sentence - The ducks in the pond were all mallards.
Mallards prefer still quiet water, but also spend a significant amount of time sitting on the grass, or waddling around pecking at food. If the mallards won't go in the water, look at water temperature, water quality, flow rate, or presence of a predator. Domestic ducks need a large bathtub sized water container for swimming, but will avoid soiled and stagnant water.
Mallards
I have a copy of the photographed m.t. Johanson pair of mallards lithograph