🐦

Common Pochard

Aythya ferina

Vulnerable
翼開長
41.7 cm
体重
845.5 g
Anatidae
Anseriformes

について

ホシハジロはユーラシアに繁殖し、地中海地方やアジア南部で越冬する潜水性カモです。雄は栗色の頭部、黒い胸、灰色の体が特徴的です。日本では冬鳥として全国の湖沼や内湾に飛来します。水に潜って水草の根や茎、貝類などを採食します。

Physical Description

Measurement Value Imperial
翼開長 41.7 cm 16.4 in
体重 845.5 g 29.82 oz

識別

羽毛

Males have chestnut-red head and neck; black breast; pale gray body; black undertail. Red eye. Blue-gray bill with dark base and tip. Females brown with pale face and eye-ring. Gray wing stripe in flight.

Habitat & Range

Breeds on freshwater lakes and marshes with emergent vegetation across Eurasia from Iceland and western Europe east to Siberia. Winters on large open lakes, reservoirs, and estuaries.

分布域

Breeds across northern and central North America; winters in Mexico, Central America, and along both US coasts.

Diet & Feeding

Eats molluscs, crustaceans, and aquatic invertebrates; dives in shallow water; diet dominated by hard-shelled benthic prey.

保全状況

Vulnerable
IUCN Red List

行動と繁殖

営巣

Nest type: SC. Incubation: 24-28 days. Fledging: 50-55 days.

一腹卵数

3-22

鳴き声

さえずり

Male emits a soft, wheezing purr; female gives a harsh, grating quacking series. The male's gentle, sibilant purring contrasts with the female's loud, grating call on European and Asian lakes.

分類学

Kingdom Animalia
Phylum Chordata
Class Aves
Anseriformes (Waterfowl)
Anatidae (Ducks, Geese & Swans)
Genus Aythya
Aythya ferina

Distribution

Common Pochard has been recorded in 10 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. #}
生息あり 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

よくある質問

What does the Common Pochard eat?
Eats molluscs, crustaceans, and aquatic invertebrates; dives in shallow water; diet dominated by hard-shelled benthic prey.
Where does the Common Pochard live?
Breeds on freshwater lakes and marshes with emergent vegetation across Eurasia from Iceland and western Europe east to Siberia. Winters on large open lakes, reservoirs, and estuaries.
Is the Common Pochard endangered?
The Common Pochard has a conservation status of Vulnerable.
How does the Common Pochard nest?
Nest type: SC. Incubation: 24-28 days. Fledging: 50-55 days.
What does the Common Pochard sound like?
Male emits a soft, wheezing purr; female gives a harsh, grating quacking series. The male's gentle, sibilant purring contrasts with the female's loud, grating call on European and Asian lakes.
How big is the Common Pochard?
The Common Pochard has a wingspan of 41.7 cm, weight of 845.5 g.
What order and family does the Common Pochard belong to?
The Common Pochard (Aythya ferina) belongs to the order Anseriformes and the family Anatidae.

Similar Birds

Other species in the Anatidae family

比較

Explore More

Explore the Nature FYI Family