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Common Pochard, Aythya ferina, Brunand

The common pochard (/ˈpɒtʃərd/; Aythya ferina), called Brunand in Skåne, is a medium-sized diving duck. The scientific name is derived from Greek aithuia an unidentified seabird mentioned by authors including Hesychius and Aristotle, and Latin ferina, "wild game", from ferus, "wild".

Distribution and habitat
Their breeding habitat consists of marshes and lakes with a metre or more water depth. Pochards breed in much of temperate and northern Europe into Asia. They are migratory, and spend winter in the south and west of Europe.

In the British Isles, birds breed in eastern England and lowland Scotland, in small numbers in Northern Ireland with numbers increasing gradually, and sporadically in the Republic of Ireland, where it may also be increasing. While uncommon, individuals are also occasionally seen in the south of England, and small populations are sometimes observed on the River Thames.

Large numbers stay overwinter in Great Britain, after the birds retreat from Russia and Scandinavia.

Common Pochard, Aythya ferina, Brunand

Range map
Range map from www.oiseaux.net - Ornithological Portal Oiseaux.net
www.oiseaux.net is one of those MUST visit pages if you're in to bird watching. You can find just about everything there


Common Pochard, Aythya ferina, Brunand
Common Pochard, Aythya ferina, Brunand
Range of A. ferina
https://commons.wikimedia.org/w/index.php?curid=75338074


Description
The adult male has a long dark bill with a grey band, a red head and neck, a black breast, red eyes and a grey back. The adult female has a brown head and body and a narrower grey bill-band. The triangular head shape is distinctive. Pochards are superficially similar to the closely related North American redhead and canvasback.

Length: 58 cm
Wingspan: 72 - 82 cm
Weight: -
Longevity: 10 years
Distinctive Feature

Adult Male

• Chestnut red head
• Black bill with light stripe
• Light grey body
• Black chest, vent, tail and rump

Female

• Dull brown/grey
• Richer brown head
• Pale markings at base of bill and around eye
Similar Species


From opus at www.birdforum.net


Females give hoarse growls. Males have whistles cut off by a final nasal note aaoo-oo-haa.

Listen to the Common Pochard


Remarks from the Recordist

call female and in the background male


www.xeno-canto.org


Ecology
These are gregarious birds, forming large flocks in winter, often mixed with other diving ducks such as the tufted duck, with which they are known to hybridise.

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 up-end for food as well as the more characteristic diving. According to the article 'Patterns in the diving behaviour of the pochard, Aythya ferina: a test of an optimality model' Pochard's have a behavioral preference when it comes to their feeding patterns.

This behavioral preference is that Pochards prefer shallower water in comparison to deeper water even though the food concentration in deeper water may be higher.

In number of countries the population of Common Pochard is decreasing mainly due to urbanization of the natural habitats and their transformation, as well as due to overhunting. The pochard is one of the species to which the Agreement on the Conservation of African-Eurasian Migratory Waterbirds (AEWA) applies.

Conservation status
Common Pochard, Aythya ferina, Brunand
Vulnerable (IUCN 3.1)
IUCN Red List of Threatened Species. 2015: e.T22680358A82571892. doi:10.2305/IUCN.UK.2015-4.RLTS.T22680358A82571892.en.



From Wikipedia, the free encyclopedia
From Wikipedia, the free encyclopedia

www.birdforum.net


Sighted: (Date of first photo that I could use) 20 April 2019
Location: Naturum, Lake Hornborga/ Hornborgasjön


Common Pochard, Aythya ferina, Brunand
Common Pochard / Brunand
20 April 2019 - Naturum, Lake Hornborga/ Hornborgasjön

Common Pochard, Aythya ferina, Brunand
Common Pochard / Brunand
5 May 2019 - Naturum, Lake Hornborga/ Hornborgasjön

Common Pochard, Aythya ferina, Brunand
Common Pochard / Brunand
5 May 2019 - Naturum, Lake Hornborga/ Hornborgasjön



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