What is mallard s?

Mallards are a species of duck that are found all over the world. They have brown bodies with an iridescent green head, yellow bill, and a white collar around the neck. Male mallards have brighter and more colorful plumage than females. They are omnivores, feeding on a variety of vegetation, insects, and small animals. Mallards are known for their distinctive quacking calls, which are often heard in flight or during courtship displays. They are social birds and are often seen in large flocks. Mallards are also popular game birds and are hunted for sport and food. Despite this, they are abundant and their populations are not considered threatened.