Mallard

Informazioni

The Mallard is a dabbling duck that is the ancestor of most domestic duck breeds. It is highly adaptable and widely distributed across the Northern Hemisphere, inhabiting a variety of wetland environments. Males are easily recognizable by their iridescent green head, while females have a mottled brown plumage.

Dimensioni e longevità

Lunghezza

50-65 cm (20-26 in)

Apertura alare

81-98 cm (32-39 in)

Peso

720-1580 g (1.6-3.5 lbs)

Longevità

5-10 years in the wild, up to 20 years in captivity

Dieta

Omnivore, primarily consuming seeds, aquatic vegetation, insects, larvae, worms, gastropods, and small fish.

Caratteristiche fisiche

Piumaggio

Male (drake) in breeding plumage: iridescent green head and neck, white neck ring, chestnut breast, grey flanks, black rear, and a curled black central tail feather. Female (hen): mottled brown plumage with a dark eye-stripe and an orange-brown bill. Both sexes have a distinctive iridescent blue speculum (wing patch) bordered by white.

Forma del becco

Spatulate (flat and broad) bill. Male's bill is yellowish-green, female's is orange with a dark saddle or blotches.

Colore degli occhi

Dark brown.

Colore delle zampe

Orange to reddish-orange in both sexes.

Caratteristiche distintive

The male's green head and white neck ring are unmistakable. The blue speculum on the wing is a key identifier for both sexes in flight or when wings are partially open. The female's mottled brown plumage is typical of many dabbling ducks, but the orange bill with dark markings and blue speculum help distinguish it.

Aspetto giovanile

Juveniles resemble adult females, but are generally duller with less distinct markings. Young males may show hints of green on the head and chestnut on the breast as they mature.

Cambiamenti stagionali

Males undergo an 'eclipse' plumage after breeding (late summer to early autumn), where they resemble females, becoming duller brown with some residual green on the head. They regain their vibrant breeding plumage by late autumn/early winter.

Dimorfismo sessuale

Pronounced. Males are much more brightly colored with the distinctive green head, white neck ring, and chestnut breast. Females are cryptically colored in mottled browns for camouflage during nesting.

Come identificare

1. 1

   Male Plumage (Breeding)

   Look for the iridescent green head, white neck ring, chestnut breast, and grey body. The yellow-green bill is also distinctive.

2. 2

   Female Plumage

   Observe the mottled brown body, dark eye-stripe, and orange bill with dark markings. The overall pattern is less uniform than some other brown ducks.

3. 3

   Speculum

   Both sexes have a bright iridescent blue speculum (wing patch) bordered by white. This is visible in flight or when the wings are slightly open, and is a key field mark.

4. 4

   Bill Color and Shape

   Males have a yellowish-green bill; females have an orange bill with a dark saddle or blotches. The bill is broad and flat (spatulate).

5. 5

   Vocalization

   Listen for the female's classic loud 'quack' series. Males have a softer, rasping 'raeb' and a courtship whistle.

6. 6

   Behavior

   Observe their dabbling feeding behavior, tipping head-first into shallow water. They are often seen in mixed-species flocks with other dabbling ducks.

Habitat e areale

Biomi

Wetlands, including freshwater and brackish marshes, ponds, lakes, rivers, estuaries, and coastal areas. Also found in urban parks and agricultural lands.

Areale geografico

Holarctic distribution, breeding across temperate and subtropical regions of North America, Europe, Asia, and parts of North Africa. Introduced to Australia, New Zealand, and other areas.

Fascia altitudinale

Primarily lowlands, but can be found at moderate elevations where suitable water bodies exist.

Ambienti preferiti

Shallow, calm waters with abundant aquatic vegetation for feeding and cover. Often found in close proximity to human settlements.

Comportamento

Periodo di attività

Diurnal, most active during dawn and dusk, but can be active throughout the day.

Abitudini alimentari

Dabbling duck, feeding by tipping forward to submerge its head and neck, sifting food from the water or mud with its bill. Also grazes on land. Feeds on a wide variety of plant material (seeds, roots, stems, leaves) and invertebrates.

Comportamento sociale

Highly social, often found in large flocks, especially outside the breeding season. During breeding, pairs are formed, but they may still forage in small groups.

Tipo di volo

Strong, direct flight with rapid wingbeats. Can take off almost vertically from water. Often flies in V-formations or lines during migration.

Migrazione

Partial migrant. Northern populations are migratory, moving south for winter. Southern populations are resident year-round. Migration occurs primarily at night.

Territorialità

Males can be territorial during the breeding season, defending their mate and nesting area, though not as aggressively as some other duck species.

Riproduzione

Stagione riproduttiva

Typically March to July, varying by geographic location.

Abitudini di nidificazione

Nests are usually built on the ground, often hidden in dense vegetation near water, but can also be found in tree cavities or elevated structures. The nest is a shallow depression lined with grass, leaves, and down feathers plucked from the female's breast.

Dimensione della covata

Usually 8-13 eggs.

Descrizione dell'uovo

6-15 eggs, typically pale greenish-buff to creamy white, unspotted. Average size is 57 x 41 mm.

Periodo di incubazione

27-28 days, incubated solely by the female.

Periodo di involo

Ducklings are precocial, leaving the nest within hours of hatching. They are able to fly at 50-60 days old.

Cure parentali

Only the female cares for the ducklings, leading them to water and teaching them to forage. Males typically abandon the female after incubation begins.

Dove trovarlo

Consigli sul campo

1. Look for movement on the water. Mallards are often seen dabbling, swimming, or resting on the water's surface. Their distinctive head-dipping feeding behavior is a good clue.
2. Listen for calls. The female's loud 'quack' is unmistakable and can often lead you to a group of Mallards before you see them.
3. Check for mixed flocks. Mallards often associate with other dabbling ducks like American Wigeons, Northern Pintails, and Green-winged Teals, especially outside the breeding season.
4. Observe plumage details. Pay close attention to the head color, bill color, and the blue speculum on the wing to confirm identification, especially for females and eclipse males.

Specie simili

Fatti rapidi

Type:

Dabbling Duck

Diet:

Omnivore

Habitat:

Wetlands, Ponds, Rivers

Conservation Status:

Least Concern

Sexual Dimorphism:

Pronounced

Migration:

Partial Migrant

Curiosità

• The Mallard is the most abundant and widespread duck species in the world.
• Almost all domestic duck breeds, except for the Muscovy Duck, are descended from the Mallard.
• Mallards can interbreed with many other duck species, producing fertile hybrids.
• The male Mallard's curled tail feather is a unique characteristic not found in females or most other duck species.
• Mallards are highly adaptable and can thrive in both wild and urban environments, often becoming quite tame around humans.

Classificazione scientifica

Regno

Animalia

Phylum

Chordata

Classe

Aves

Ordine

Anseriformes

Famiglia

Anatidae

Genere

Anas

Specie

Anas platyrhynchos

Esplora Mallard