Wigeon

About

The Wigeon, also known as the Eurasian Wigeon, is a medium-sized dabbling duck with a distinctive rounded head and small bill. Males in breeding plumage are particularly striking with their chestnut head, creamy forehead, and pinkish-brown breast. They are primarily herbivorous, grazing on aquatic vegetation and grasses. Wigeons are highly migratory, breeding across northern Eurasia and wintering further south.

Size & lifespan

Length

42-59 cm (16.5-23.2 in)

Wingspan

71-80 cm (28-31.5 in)

Weight

500-1070 g (1.1-2.4 lbs)

Lifespan

Typically 5-10 years in the wild, with records up to 18 years.

Diet

Herbivore (primarily grazes on aquatic and terrestrial vegetation)

Physical characteristics

Plumage

Adult breeding male: Chestnut head with a creamy-yellow forehead and crown, pinkish-brown breast, grey flanks with fine vermiculations, white belly, black undertail coverts, and a prominent white patch on the upperwing (speculum). Adult female: Mottled reddish-brown and grey-brown plumage overall, with a paler belly. Both sexes have a grey bill with a black tip and a white belly in flight. The speculum is green bordered with black in both sexes, but the male's white upperwing patch is a key differentiator.

Beak shape

Relatively small, short, and rounded bill, grey with a black tip.

Eye color

Dark brown.

Leg color

Greyish-blue to dark grey.

Distinguishing features

Male's creamy-yellow forehead and crown, chestnut head, and white upperwing patch. Female's overall reddish-brown mottling and small bill. In flight, the white belly and green speculum are good field marks.

Juvenile appearance

Resemble adult females but are duller and more uniformly grey-brown, with less distinct mottling. The bill is often darker.

Seasonal changes

Males undergo an eclipse plumage in late summer (July-September) where they resemble females, but often retain some remnants of their breeding plumage, such as a darker head and a more defined white wing patch. They regain their full breeding plumage by late autumn.

Sexual dimorphism

Pronounced. Males are much more brightly colored and patterned than females, especially during the breeding season. Females are cryptically colored for camouflage during nesting.

How to identify

1. 1

   Male Breeding Plumage

   Look for the striking chestnut head with a creamy-yellow forehead and crown, pinkish-brown breast, and grey flanks. The prominent white patch on the upperwing (visible in flight and at rest) is diagnostic.

2. 2

   Female Plumage

   Observe the overall mottled reddish-brown and grey-brown plumage. Note the relatively small, rounded head and small, grey bill with a black tip. In flight, look for the white belly and green speculum.

3. 3

   Bill Shape

   Both sexes have a distinctive small, short, and rounded bill, which is grey with a black tip. This is a good feature to distinguish them from other dabbling ducks.

4. 4

   Vocalization

   Listen for the male's clear, whistling 'whee-oo' call, which is very characteristic and often heard before the bird is seen.

5. 5

   Behavior

   Observe their feeding behavior; they often graze on land like geese or 'tip up' in shallow water. They are often found in large, cohesive flocks.

Habitat & range

Biomes

Wetlands, freshwater lakes, marshes, slow-moving rivers, coastal lagoons, estuaries, and flooded grasslands.

Geographic range

Breeds across northern Eurasia, from Iceland and Scandinavia eastward through Russia to Siberia. Winters in Western and Southern Europe, North Africa, the Middle East, South Asia, and parts of East Asia. Also occurs as a vagrant in North America.

Elevation range

Primarily lowlands, but can be found at moderate elevations in suitable wetland habitats.

Preferred environments

Shallow, nutrient-rich waters with abundant aquatic vegetation for feeding, and adjacent open grasslands or agricultural fields for grazing. Requires dense vegetation for nesting cover.

Behavior

Activity time

Diurnal, but may feed at night, especially during full moon periods or when disturbed during the day.

Feeding habits

Primarily a grazer, feeding on the leaves, stems, and seeds of aquatic and terrestrial plants. They often 'tip up' to reach submerged vegetation but rarely dive. They are also known to graze on short grass in fields, sometimes in large flocks, similar to geese. Occasionally consumes insects and small invertebrates, especially during the breeding season.

Social behavior

Highly social, especially outside the breeding season. Forms large flocks on wintering grounds, often associating with other dabbling ducks and geese. During breeding, pairs are territorial but may nest in loose colonies.

Flight pattern

Fast and direct flight with rapid wingbeats. Often flies in tight, cohesive flocks, especially during migration. The white belly and prominent white wing patches (on males) are conspicuous in flight.

Migration pattern

Long-distance migratory. Breeds in northern latitudes and migrates south to warmer climates for the winter. Migration occurs in broad fronts, often at night, with staging areas used for resting and feeding.

Territoriality

Males defend a small territory around the female during the breeding season, but overall territoriality is less pronounced than in some other duck species, particularly outside of nesting.

Breeding & reproduction

Breeding season

May to July, with peak egg-laying in late May to early June.

Nesting habits

Nests are typically built on dry ground, often close to water, concealed in dense vegetation such as tall grasses, sedges, or heather. The nest is a shallow scrape lined with grass, leaves, and down plucked from the female's breast.

Clutch size

Typically 6-10 eggs.

Egg description

6-10 (occasionally up to 12) eggs, smooth, glossy, and creamy-white to pale buff, sometimes with a greenish tinge. Average size is about 55 x 38 mm.

Incubation period

24-25 days, incubated solely by the female.

Fledging period

Ducklings are precocial and leave the nest shortly after hatching. They are capable of flight at approximately 40-45 days old.

Parental care

Only the female cares for the ducklings. She leads them to water and feeds them initially, though they quickly learn to forage for themselves. Males typically leave the female shortly after incubation begins.

Where to find

Field tips

1. Scan large flocks. Wigeons often congregate in large numbers, especially in winter. Carefully scan these flocks for the distinctive male plumage or listen for their calls.
2. Look for grazing behavior. If you see ducks grazing on land, particularly short grass, Wigeons are a strong possibility. They often feed alongside geese.
3. Listen for the whistle. The male's 'whee-oo' whistle is very distinctive and can often alert you to their presence even before you see them.
4. Check for white wing patches. In flight, the white belly and the male's prominent white upperwing patch are excellent identification features.
5. Use a scope for details. Given their often distant presence in large flocks, a spotting scope is invaluable for observing plumage details and confirming identification.

Similar species

Quick facts

Diet:

Primarily herbivorous, grazing on plants.

Migration:

Long-distance migrant.

Male Call:

Distinctive 'whee-oo' whistle.

Sociality:

Highly social, forms large wintering flocks.

Key Male ID:

Creamy-yellow forehead, chestnut head, white upperwing patch.

Fun facts

• The Wigeon's scientific name, 'Anas penelope', is thought to refer to the Greek mythological figure Penelope, who was associated with ducks.
• Wigeons are known for their 'kleptoparasitic' behavior, often stealing food from other diving ducks, particularly Coot, by snatching vegetation as it surfaces.
• They are one of the most numerous duck species in Europe during winter, with millions migrating from their northern breeding grounds.
• The male's distinctive whistle is one of the most characteristic sounds of winter wetlands across its range.

Scientific classification

Kingdom

Animalia

Phylum

Chordata

Class

Aves

Order

Anseriformes

Family

Anatidae

Genus

Anas

Species

Anas penelope

Explore the Wigeon