Mallard

Species Profile

Mallard

Anas platyrhynchos

Mallard

Quick Facts

Conservation

LCLeast Concern

Lifespan

5–10 years

Length

50–65 cm

Weight

720–1580 g

Wingspan

81–98 cm

Migration

Partial migrant

Instantly recognizable, the Mallard is a medium-sized dabbling duck that is familiar to people all over the world. These adaptable waterfowl are the ancestor of the modern domestic duck and are found everywhere from remote wilderness lakes to suburban backyards.

Also known as: Wild Duck

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Gallery

Female Mallard walking across a frozen pond
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Female Mallard walking across a frozen pond

Appearance

The Mallard is a medium-sized duck with a distinctive appearance. Males have a glossy green head, narrow white collar, chestnut-brown chest, and grayish body. Their wings feature a blue speculum bordered by white.

Females are mottled brown with an orange-brown bill, often with dark markings. Both sexes have orange legs and feet. During the late summer molt, males resemble females but retain their yellow bill.

Juvenile Mallards look very similar to adult females, although they do not have the deep blue wing panel. Very young birds have dark bills, but they soon develop the characteristic yellow or orange bills of the adults.

Identification & Characteristics

Male Colors

Primary
Green
Secondary
Blue
Beak
Yellow
Legs
Orange

Female Colors

Primary
Brown
Secondary
Black
Beak
Orange
Legs
Orange

Female Markings

Mottled brown plumage with orange-brown bill often with dark markings


Attributes

Agility85/100
Strength60/100
Adaptability95/100
Aggression40/100
Endurance75/100

Habitat & Distribution

Mallards are found across many wetland habitats, including freshwater ponds, lakes, rivers, and marshes. They also thrive in human-modified environments like city parks, agricultural areas, and suburban retention ponds.

This species has a vast distribution across North America, Europe, and Asia. It is a year-round resident in much of its range, including the UK, USA, and southern Canada, with northern populations migrating south for winter.

Distribution

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Where to See This Bird

Explore regional guides for locations where this bird has been recorded.

United Kingdom

ResidentYear-round

England

ResidentYear-round

Northern Ireland

ResidentYear-round

Scotland

ResidentYear-round

Wales

ResidentYear-round

Bedfordshire

ResidentYear-round

Rutland

ResidentYear-round

Cambridgeshire

ResidentYear-round

Buckinghamshire

ResidentYear-round

Cumbria

ResidentYear-round

Berkshire

ResidentYear-round

Bristol

ResidentYear-round

Cheshire

ResidentYear-round

Cornwall

ResidentYear-round

Derbyshire

ResidentYear-round

Devon

ResidentYear-round

Dorset

ResidentYear-round

Durham

ResidentYear-round

East Riding of Yorkshire

ResidentYear-round

Essex

ResidentYear-round

East Sussex

ResidentYear-round

Gloucestershire

ResidentYear-round

Hampshire

ResidentYear-round

Herefordshire

ResidentYear-round

Hertfordshire

ResidentYear-round

Isle of Wight

ResidentYear-round

Kent

ResidentYear-round

London

ResidentYear-round

Merseyside

ResidentYear-round

Lancashire

ResidentYear-round

Leicestershire

ResidentYear-round

Lincolnshire

ResidentYear-round

Manchester

ResidentYear-round

Northumberland

ResidentYear-round

Norfolk

ResidentYear-round

Northamptonshire

ResidentYear-round

Nottinghamshire

ResidentYear-round

North Yorkshire

ResidentYear-round

Oxfordshire

ResidentYear-round

South Yorkshire

ResidentYear-round

Tyne and Wear

ResidentYear-round

West Midlands

ResidentYear-round

Suffolk

ResidentYear-round

Shropshire

ResidentYear-round

Somerset

ResidentYear-round

Surrey

ResidentYear-round

Staffordshire

ResidentYear-round

Stockton-on-Tees

ResidentYear-round

Warwickshire

ResidentYear-round

Wiltshire

ResidentYear-round

West Yorkshire

ResidentYear-round

Worcestershire

ResidentYear-round

West Sussex

ResidentYear-round
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Diet

Mallards have a varied diet, primarily consisting of plant matter such as seeds, stems, and leaves of aquatic vegetation. They also consume insects, worms, snails, and small fish.

In urban areas, they often supplement their diet with bread and other food provided by humans, though this is not recommended.

Mallards find their food on dry land, the water's surface, and below by tipping their bodies and reaching down to the bottom.

Behaviour

Mallards are highly adaptable and social ducks, often seen in large flocks. They are dabbling ducks, tipping forward in the water to feed on submerged vegetation.

On land, they waddle with a characteristic head-bobbing motion. Mallards are known for their ability to take off almost vertically from water.

Calls & Sounds

The Mallard's vocalizations are distinct and varied. Females produce the familiar loud, repetitive 'decrescendo' 'quack-quack-quack' call, consisting of two to ten rising and then falling quacking notes. This call can be heard over long distances.

Males have a softer, raspy call, often described as a low 'reeb-reeb' sound. During courtship, males also make a high-pitched whistle.

Nesting & Breeding

Mallards typically form pairs in the fall and winter months. The breeding season begins in spring, with timing varying by location. Males perform elaborate courtship displays, including head-bobbing and whistling calls.

Females construct nests on the ground near water, often concealed in vegetation. The nest is a shallow depression lined with grass and down. A typical clutch consists of 8-13 pale greenish or bluish-white eggs.

Incubation lasts about 28 days, performed solely by the female. Ducklings are precocial, leaving the nest within 24 hours of hatching. They can fly at 50-60 days old.

Conservation

While Mallards are not currently of conservation concern due to their large population and wide distribution, they face threats from habitat loss and degradation.

Wetland conservation efforts benefit Mallards and many other waterfowl species. Hunting is regulated to maintain sustainable populations.

LCLeast Concern
[1]

Population

Estimated: More than 19,000,000 individuals[3]

Trend: Increasing[2]

Elevation

Sea level to 1,000 meters

Additional Details

Predators:
Mallards face predation from various animals, including foxes, raccoons, large fish, snapping turtles, birds of prey (such as hawks and owls), and in some areas, alligators.

Birdwatching Tips

  • Look for Mallards in any wetland habitat, including urban parks and ponds
  • Listen for the female's loud quack and the male's softer, raspy call
  • Observe their dabbling behavior, with tails up and heads submerged
  • In the UK and US, Mallards are common year-round in most areas

Did You Know?

  1. Mallards can sleep with one eye open, allowing half their brain to remain alert for potential dangers.
  2. They are the ancestors of most domestic duck breeds, except for the Muscovy duck.
  3. Mallards can fly at speeds up to 55 miles per hour (88 km/h).

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