🐦

Eastern Spot-billed Duck

Anas zonorhyncha

Least Concern
Wingspan
53.6 cm
Weight
1017.5 g
Family
Anatidae
Order
Anseriformes

About

A large brown dabbling duck with a yellow-tipped black bill, without the red spot of its Indian relative, and a green speculum. Found across northeastern Asia. Partially migratory; breeds in northern China, Korea, and Siberia; winters farther south and east.

Physical Description

Measurement Value Imperial
Wingspan 53.6 cm 21.1 in
Weight 1017.5 g 35.89 oz

Identification

Plumage

Brown body with pale buff face and throat; dark crown and eye stripe. Yellow-tipped black bill lacking the red spot of Indian Spot-billed Duck. Iridescent green speculum with white border. Orange legs. Sexes similar.

Habitat & Range

Freshwater lakes, rivers, marshes, and rice paddies in northeastern Asia from eastern Russia and Siberia through China, Korea, and Japan. Winters in southern China and southern Japan.

Geographic Range

Found in wetlands across Southeast Asia, from India to China, Vietnam, and Indonesia. Largely resident; local seasonal movements.

Diet & Feeding

Eats fish, aquatic invertebrates, and amphibians; dives in freshwater rivers; serrated bill grips prey; fish dominant in diet.

Conservation Status

Least Concern
IUCN Red List

Behavior & Breeding

Nesting

Nest type: M. Incubation: 24-28 days. Fledging: 49-56 days.

Clutch Size

7-9

Sound

Song

Female produces a loud, descending quacking series; male gives a low, nasal grunt. Vocalizations closely resemble the Indian Spot-billed Duck; pairs call antiphonally on East Asian wetlands.

Taxonomy

Kingdom Animalia
Phylum Chordata
Class Aves
Order Anseriformes (Waterfowl)
Family Anatidae (Ducks, Geese & Swans)
Genus Anas
Species Anas zonorhyncha

Distribution

Eastern Spot-billed Duck has been recorded in 2 countries.

{# Distribution Map — simplified SVG world map with highlighted countries. Expects `country_codes` variable: list of ISO alpha-2 codes (e.g. ["US", "CA", "MX"]). Uses Alpine.js to toggle classes on country paths. #}
Present Not recorded
{# Simplified country/region shapes — major landmasses with ISO alpha-2 data attributes. These are simplified polygon representations for visual distribution display. #}

countries highlighted

External Databases

Frequently Asked Questions

What does the Eastern Spot-billed Duck eat?
Eats fish, aquatic invertebrates, and amphibians; dives in freshwater rivers; serrated bill grips prey; fish dominant in diet.
Where does the Eastern Spot-billed Duck live?
Freshwater lakes, rivers, marshes, and rice paddies in northeastern Asia from eastern Russia and Siberia through China, Korea, and Japan. Winters in southern China and southern Japan.
Is the Eastern Spot-billed Duck endangered?
The Eastern Spot-billed Duck has a conservation status of Least Concern.
How does the Eastern Spot-billed Duck nest?
Nest type: M. Incubation: 24-28 days. Fledging: 49-56 days.
What does the Eastern Spot-billed Duck sound like?
Female produces a loud, descending quacking series; male gives a low, nasal grunt. Vocalizations closely resemble the Indian Spot-billed Duck; pairs call antiphonally on East Asian wetlands.
How big is the Eastern Spot-billed Duck?
The Eastern Spot-billed Duck has a wingspan of 53.6 cm, weight of 1017.5 g.
What order and family does the Eastern Spot-billed Duck belong to?
The Eastern Spot-billed Duck (Anas zonorhyncha) belongs to the order Anseriformes and the family Anatidae.

Similar Birds

Other species in the Anatidae family

Compare

Explore More

Explore the Nature FYI Family