Meller's Duck vs Mallard

Anas melleri compared with Anas platyrhynchos

Side-by-Side Comparison

Attribute Meller's Duck Mallard
Scientific Name Anas melleri Anas platyrhynchos
Order Anseriformes Anseriformes
Family Anatidae Anatidae
Conservation Status Endangered Least Concern
Length 58.0 cm (22.8 in)
Wingspan 49.1 cm (19.3 in) 90.0 cm (35.4 in)
Weight 1023.625 g (36.11 oz) 1100.0 g (38.80 oz)
Diet Dives for fish and aquatic invertebrates in fast-flowing rivers; serrated bill grips slippery fish; diet … Omnivorous — aquatic plants, seeds, insects, crustaceans, and mollusks. Feeds by dabbling, upending, and grazing …
Clutch Size 5-11 4-18
Population Trend

Size Comparison

Body Length
Meller's Duck
Mallard 58.0 cm
Wingspan
Meller's Duck 49.1 cm
Mallard 90.0 cm
Weight
Meller's Duck 1023.625 g
Mallard 1100.0 g

Habitat Comparison

Shared Habitats

Meller's Duck only

None

Mallard only

Meller's Duck

Freshwater lakes, marshes, rivers, and rice paddies in the eastern highlands and north of Madagascar. Prefers undisturbed native forest wetlands. Endangered by hunting and habitat conversion.

Mallard

Nearly any wetland habitat including lakes, rivers, ponds, marshes, estuaries, and urban park ponds.

Song & Call Comparison

Meller's Duck

Song

Female produces a loud, resonant quacking sequence; male gives a soft, nasal grunt. This large Malagasy duck vocalizes with powerful quacking calls along forest rivers and marshes.

Mallard

Song

Female gives the classic 'quack-quack-quack', descending in pitch. Male utters soft nasal 'raeb-raeb'. Both give a high 'gag-gag-gag' when alarmed or taking flight.

Geographic Range & Migration

Meller's Duck

Resident in wetlands and lakes from Turkey and Egypt through East Africa to the Cape. Non-migratory and widely distributed.

Mallard

Native across the Northern Hemisphere in North America, Europe, and Asia. Introduced to Australia and New Zealand.

Conservation Status

Endangered

Meller's Duck

Least Concern

Mallard

How to Tell Them Apart

Meller's Duck

Plumage

Dark brown-olive plumage streaked and mottled with pale buff; resembles large dark Mallard without green head. Iridescent green speculum with white borders. Yellow-brown bill; orange legs. Madagascar endemic.

Mallard

Plumage

Breeding males have an iridescent green head, white neck ring, chestnut breast, and grey body. Females are mottled brown. Both sexes show a blue speculum bordered by white.

Bill

Broad, flat bill — yellow-green in males, orange-brown in females

About These Birds

Meller's Duck

A large brown dabbling duck resembling a female Mallard but larger, with green iridescent speculum and orange bill. Endemic to Madagascar. Endangered; threatened by hunting and wetland loss. One of Madagascar's rarest birds.

Mallard

The mallard is the ancestor of most domestic duck breeds and the most abundant and widespread dabbling duck in the world. Males perform elaborate courtship displays including head-bobbing and whistle-grunt calls. Mallards are highly adaptable, thriving in both wilderness and urban environments.

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