Ferruginous Duck

Ferruginous Duck

Taxobox
name = Ferruginous Duck
status = NT | status_system = IUCN3.1
status_ref = [IUCN2006|assessors=BirdLife International|year=2006|id=2457|title=Aythya nyroca|downloaded=12 May 2006 Database entry includes a range map and justification for why this species is near threatened]
trend = down



image_width = 200px
image_caption = Ferruginous Ducks
regnum = Animalia
phylum = Chordata
classis = Aves
ordo = Anseriformes
familia = Anatidae
genus = "Aythya"
species = "A. nyroca"
binomial = "Aythya nyroca"
binomial_authority = (Güldenstädt, 1770)

The Ferruginous Duck ("Aythya nyroca") is a medium-sized diving duck.Their breeding habitat is marshes and lakes with a metre or more water depth. These ducks breed in southern and eastern Europe and southern and western Asia. They are somewhat migratory, and winter farther south and into north Africa.

The adult male is a rich chestnut colour with a darker back and a yellow eye. The pure white undertail helps to distinguish this species from the somewhat similar Tufted Duck. The female is similar but duller, and with a dark eye.

These are gregarious birds, forming large flocks in winter, often mixed with other diving ducks, such as Tufted Ducks and Pochards.

These birds feed mainly by diving or dabbling. They eat aquatic plants with some molluscs, aquatic insects and small fish. They often feed at night, and will upend (dabble) for food as well as the more characteristic diving.

It is one of the species to which the "Agreement on the Conservation of African-Eurasian Migratory Waterbirds" (AEWA) applies.

The species is known colloquially by birders as "Fudge Duck".

References

Further reading

Identification

* Vinicombe, K. E. (2000) Identification of Ferruginous Duck and its status in Britain and Ireland "British Birds" 93(1):4-21
* Vinicombe, K. E. (2007) ID in depth - Ferruginous Duck "Birdwatch" 176:24-26

Gallery


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