Anas Platyrhynchos -

Mallards are significant hosts for avian influenza viruses (including H5N1) and are often studied in environmental toxicology.

Both sexes have a iridescent purplish-blue wing patch (speculum) bordered by white, visible during flight. Behavior and Ecology anas platyrhynchos

They are the most frequently harvested waterfowl in North America and Europe, supported by adaptive harvest management programs. Mallards are significant hosts for avian influenza viruses

Hens typically lay a clutch of 9 to 13 eggs in a nest concealed on the ground near water. Incubation lasts about 26–28 days. Scientific & Economic Importance including North America

Found throughout the Northern Hemisphere, including North America, Europe, and Asia.

Mallard (Males are called drakes ; females are hens ).

Distinguished by a glossy emerald-green head , white neck collar, and bright yellow bill.