Birds of St. Charles County, MO
Mallard Duck

Mallard Duck
Anas platyrhynchos

Size: 27-28"

Male: (Shown) Large green head, white necklace, rust brown or chestnut chest. Combination of gray and white on sides. Yellow bill, legs, and feet.

Female: All brown with orange and black bill. Small blue and white wing mark.

Juvenile: Same as female, but with a yellow bill.

Nest: Female builds ground nest. One brood per year.

Eggs: 7-10; greenish to whitish without markings

Incubation: 26-30 days; female incubates

Fledging: 42-52 days; female leads young to food

Migration: The Mallard Duck can be found in St. Charles County year round.

Food: Seeds, plants, aquatic insects, and will come to ground feeders offering corn.

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