Bird Identifier
Mallard
Order Anseriformes, Family Anatidae

Mallard

Anas platyrhynchos

A large dabbling duck with a distinctive yellow bill, well-known for the male's striking green head and brownish-grey body.

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Plumage & appearance

Adult males (drakes) feature a glossy bottle-green head, a white neck ring, a chestnut-brown chest, grey flanks, and black tail curl feathers. Females (hens) have mottled brown plumage for camouflage. Eclipse plumage in males resembles the female's coloration during late summer.

Key field marks

Glossy green head (male), white neck ring, brownish-chestnut breast, and blue speculum feathers on the wings bordered with white.

Size & weight

Length: 50-65 cm; Wingspan: 81-98 cm; Weight: 720-1,580 g

Voice — call & song

Females produce a loud, descending quack. Males emit quieter, low-pitched raspy notes and whistles.

Diet & foraging

Omnivorous; feeds on plant matter, seeds, roots, insects, small fish, and amphibians by dabbling or grazing on land.

Habitat

Wetlands, marshes, rivers, lakes, ponds, estuaries, and urban parks with access to water.

Migration & movement

Partial migrant; northern populations migrate south for winter, while temperate populations are mostly resident.

Nesting & breeding

Ground nesters, usually placing nests hidden in vegetation near water. Clutches typically consist of 8-13 greenish-buff eggs incubated solely by the female.

Similar species

American Black Duck and various domestic duck hybrids, distinguished by the mallard's distinctive green head and white neck ring in males.

Ecological significance

Acts as an important seed disperser for aquatic plants and serves as a vital prey base for various predators, while also helping control aquatic insect and plant populations.

Conservation status

Least Concern, with a stable or increasing global population trend.

Observation tips

Easily observed in urban parks, wetlands, lakes, and slow-moving rivers. They are generally habituated to humans and can be approached closely.

Interesting facts

The mallard is the ancestor of nearly all domestic duck breeds. Their specialized feathers trap air to provide exceptional buoyancy and waterproofing.

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