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Lesser Scaup Aythya affinis   [Eyton, 1838]
Other Names Records Books & Links
Order: Anseriformes Family: Anatidae
BTO Codes: AY , EURING No: 2050
Number in Britain: 2 records/year
Conservation Status:
UK: Unlisted
European: Not evaluated
Global: Least Concern
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Status in UK: (A)  Accidental
Subspecies: Monotypic
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Length: 42 cm Wingspan: 72 cm Weight: M/F: 800 g    
Scientific name from: Gr.: aithuia=a seabird described by Aristotle and L.: affinis=related
World Distribution: BREEDS: n&c North America, WINTERS: south to n South America
Habitat: Lakes, rivers & marshes on migration also coastal
Diet: Mostly aquatic invertebrates, also aquatic vegetation in some areas
TitBit: Chicks are capable of diving under water when they hatch but are too buoyant to stay under; by the time they are 5 to 7 weeks old they can dive for up to 25s and swim underwater for 50 to 60 feet  
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Records and Distribution
First Record: West Midlands, 1987 (Holian, J.J. & Fortey, J.E. 1992. British Birds 85:370-376)
Total Number of Records (1958-2004): 75 Summary of Records by Year
Most Likely to Occur in:
Most Recent County Records:
   Scotland: Argyll (1998), Ayrshire (1999), Dumfries & Galloway (2004), Fife (2004), Upper Forth (2004), Highland (2002), Northeast (2004), Outer Hebrides (2001), Orkney (2000), Perth & Kinross (2004), Shetland (1998),
   North-east England: Cleveland (1999), Durham (2003), Northumberland (1999), East Yorkshire (2003), South Yorkshire (2003), West Yorkshire (2003),
   North-west England: Cheshire (2004), Cumbria (2003), Lancashire ,
   English Midlands: Leicestershire (2000), Nottinghamshire (1998), Staffordshire (1987),
   Eastern England: Cambridgeshire (2000), Essex (2004), Hertfordshire (2003), Lincolnshire (2004), Suffolk (2004),
   South-east England: Kent (2004), Greater London (2003), Oxfordshire , East Sussex (2004),
   South-west England: Cornwall (2002), Devon (2004), Dorset (2004), Gloucestershire (2000), Isles of Scilly (1999),
   Wales: Carmarthen (2003),
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Other Names
Gaelic: Welsh:
Danish: Lille Bjergand Dutch: Kleine Toppereend
Finnish: French: Fuligule à tête noire
German: Kleine Bergente Hungarian:
Icelandic: Irish: Mionlacha Iascán
Italian: Moretta grigia minore Norwegian: Purpurhodeand
Polish: Ogorzalka mala Portuguese:
Spanish: Porrón bola Swedish: Mindre bergrand
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For More Information...
Books and Monographs:
   Kear, J 2005 Ducks, geese and swans Oxford University Press [598.48 KEA]
See Also:
All About Birds (Cornell Lab of Ornithology)
Gough, G.A. et al. (1998) Patuxent Bird Identification Infocenter
Wikipedia entry
Recent sightings and information from BirdGuides.com
Find papers on Google Scholar
Find papers on Scirus

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Email: birdfacts@bto.org

These data should be cited as:
Robinson, R.A. (2005) BirdFacts: profiles of birds occurring in Britain & Ireland (v1.22, Oct 2008). BTO Research Report 407, BTO, Thetford (http://www.bto.org/birdfacts)

 

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