Mallard ducks are known as dabblers as apposed to divers. Dabblers find their food by doing a headstand in the water and pulling up vegetation they can reach with their long neck and bill. They also pick vegetation on the banks of the waters edge. This duck likes to submerge his body to reach as far as possible to the food located on the bottom of the pool, it is good practice for release day! | WildCareOklahoma