Mallard vs Hartlaub's Duck

Anas platyrhynchos compared with Pteronetta hartlaubii

Side-by-Side Comparison

Attribute Mallard Hartlaub's Duck
Scientific Name Anas platyrhynchos Pteronetta hartlaubii
Order Anseriformes Anseriformes
Family Anatidae Anatidae
Conservation Status Least Concern Least Concern
Length 58.0 cm (22.8 in)
Wingspan 90.0 cm (35.4 in) 53.4 cm (21.0 in)
Weight 1100.0 g (38.80 oz) 910.0 g (32.10 oz)
Diet Omnivorous — aquatic plants, seeds, insects, crustaceans, and mollusks. Feeds by dabbling, upending, and grazing … Eats seeds, aquatic invertebrates, and plant matter; dabbles in ponds and marshes; diet more invertebrate-heavy …
Clutch Size 4-18 7-11
Population Trend

Size Comparison

Body Length
Mallard 58.0 cm
Hartlaub's Duck
Wingspan
Mallard 90.0 cm
Hartlaub's Duck 53.4 cm
Weight
Mallard 1100.0 g
Hartlaub's Duck 910.0 g

Habitat Comparison

Shared Habitats

Mallard only

None

Hartlaub's Duck only

Mallard

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

Hartlaub's Duck

Tropical rainforest streams, forest pools, and shaded swamps from Guinea and Sierra Leone east through the Congo Basin to Uganda and western Kenya. Requires undisturbed riverine forest with shaded water.

Song & Call Comparison

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.

Hartlaub's Duck

Song

A low, nasal 'quack' and soft 'kek-kek'. Generally quieter than other perching ducks. Calls from dense Central and West African rainforest where it is rarely observed.

Geographic Range & Migration

Mallard

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

Hartlaub's Duck

Breeds in wetlands across Eurasia; winters from Africa and the Middle East to South and Southeast Asia.

Conservation Status

Least Concern

Mallard

Least Concern

Hartlaub's Duck

How to Tell Them Apart

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

Hartlaub's Duck

Plumage

Dark chocolate-brown body; white patches at side of head distinctive. Males have dark blue frontal shield extending from bill. Wings show pale blue-gray inner forewing. Legs gray. West African forest …

About These 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.

Hartlaub's Duck

A large dark duck with a chestnut-brown body, dark head and neck, pale blue speculum, and bright red base to the bill in males. Found in tropical African rainforest streams and forest swamps. One of Africa's least-studied ducks. Lives singly or in pairs in shaded forest waterways.

Related Comparisons

More Birds to Explore

Explore the Nature FYI Family