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Redhead

Aythya americana

Least Concern
กว้างปีก
43.7 cm
น้ำหนัก
1055.0 g
วงศ์ตระกูล
Anatidae
อันดับ
Anseriformes

เกี่ยวกับเรา

A medium-sized diving duck. Males have a rounded rufous-red head, black breast and rear, and grey body; females are brown. Highly parasitic breeder—females frequently lay eggs in other ducks' nests. Found across North America. Winters on large bays and coastal waters.

Physical Description

Measurement Value Imperial
กว้างปีก 43.7 cm 17.2 in
น้ำหนัก 1055.0 g 37.21 oz

การยืนยันชนิดพันธุ์

ขนนก

Males have rounded rufous-red head; black breast and undertail; pale gray body. Blue-gray bill with white ring and black tip. Red eye. Females brown with paler face. Rounder head than Canvasback. Dimorphic.

Habitat & Range

Breeds on prairie marshes and potholes in western North America. Winters on large bays, coastal waters, lakes, and reservoirs across the southern United States and Mexico. Large concentrations on Laguna Madre, Texas.

อาณาเขตทางภูมิศาสตร์

Breeds in boreal and temperate North America; winters from southern Canada to northern South America along both coasts.

Diet & Feeding

Dives for molluscs, crustaceans, and aquatic invertebrates in shallow coastal water; hard-shelled benthic prey dominates diet.

สถานะการอนุรักษ์

Least Concern
IUCN Red List

พฤติกรรมและการผสมพันธุ์

การทำรัง

Nest type: HC. Incubation: 23-29 days. Fledging: 56-73 days.

จำนวนไข่

7-14

เสียง

เสียงร้อง

Male gives a low, mewing may-heah call; female produces a purring, rolled quacking. The mewing, nasal call is unlike any other North American duck; flocks create a cat-like chorus.

อนุกรมวิทยา

Kingdom Animalia
Phylum Chordata
Class Aves
อันดับ Anseriformes (Waterfowl)
วงศ์ตระกูล Anatidae (Ducks, Geese & Swans)
Genus Aythya
ชนิดพันธุ์ Aythya americana

Distribution

Redhead has been recorded in 8 countries.

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พบ 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

คำถามที่พบบ่อย

What does the Redhead eat?
Dives for molluscs, crustaceans, and aquatic invertebrates in shallow coastal water; hard-shelled benthic prey dominates diet.
Where does the Redhead live?
Breeds on prairie marshes and potholes in western North America. Winters on large bays, coastal waters, lakes, and reservoirs across the southern United States and Mexico. Large concentrations on Laguna Madre, Texas.
Is the Redhead endangered?
The Redhead has a conservation status of Least Concern.
How does the Redhead nest?
Nest type: HC. Incubation: 23-29 days. Fledging: 56-73 days.
What does the Redhead sound like?
Male gives a low, mewing may-heah call; female produces a purring, rolled quacking. The mewing, nasal call is unlike any other North American duck; flocks create a cat-like chorus.
How big is the Redhead?
The Redhead has a wingspan of 43.7 cm, weight of 1055.0 g.
What order and family does the Redhead belong to?
The Redhead (Aythya americana) belongs to the order Anseriformes and the family Anatidae.

Similar Birds

Other species in the Anatidae family

เปรียบเทียบ

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