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British Population Size:
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Winter:
11 thousand individuals
in 2005
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First Record:
Recorded in Anglo-Saxon times
[Fossil evidence from
Middle Pleistocene, c. 500,000 yr ago]
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First Breeding Record:
Sutherland (after extinct 1770s) 1910
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Latest Survey:
Holling, M. & RBBP 2011 British Birds 104:476-537
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Conservation Status:
AMBER
because
Small Breeding Population,
Localised Non-breeding Population,
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Previous Assessments:
2002-2007
AMBER
1996-2001
AMBER
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Races of Concern:
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Habitat Occupancy (in the Breeding Season):
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No habitat data from BBS
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Migration routes:
Map of foreign ringing recoveries
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European Population Size:
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Summer:
Unavailable
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Population Assesment from Birds in Europe
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Distribution in Europe mapped by the EBCC Atlas
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Listed on the Appendices/Schedules of:
WCA(I), WBD(II*), Bern(III), Bonn(II), AEWA
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Breeding and Survival
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Egg Size:
113 x 73 mm
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Egg Weight:
331.0 g (of which 12 % is shell)
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Number of Nest Records:
1
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Clutch Size:
4 - 5 eggs
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Incubation:
31- 42 days
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by the:
Female
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Fledging:
78 - 96days
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as:
Precocial, downy
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First Clutches Laid:
Does not breed in Britain, or too few Nest Records
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Number of Broods:
1
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Number Ringed:
Annual Totals
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Adult Survival:
0.801
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Juvenile Survival:
No data
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Age at First Breeding:
4
years
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Typical Lifespan:
9
years
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Maximum Recorded Age:
23 years 3 months 7 days (set in 2003)
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Read a summary of Ringing Recoveries
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Biometrics
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Ring Size:
M*
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Wing Length
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Adult:
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594.4 ± 21.7
Range
531.0 - 658.0 mm, (N = 168)
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Juvenile:
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Insufficient Data
|
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Male:
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606.1 ± 18.1
Range
552.0 - 658.0 mm, (N = 74)
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Female:
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583.4 ± 20.0
Range
531.0 - 656.0 mm, (N = 93)
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Weight
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Adult:
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8.82 ± 1.27
Range
0.54 - 12.20 kg , (N =174)
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Juvenile:
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Insufficient Data
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Male:
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9.28 ± 1.10
Range
11.60 - 12200 kg , (N =75)
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Female:
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8.44 ± 1.19
Range
6.80 - 10.60 kg , (N =94)
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Seasonal:
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Winter 8.86 ± 1.20 (N = 553)  
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Source:
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British Trust for Ornithology (2005) Ringing Scheme data
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Other Names
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Gaelic:
Eala-fhiadhaich
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Welsh:
Alarch y Gogledd
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Danish:
Sangsvane
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Dutch:
Wilde zwaan
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Finnish:
Laulujoutsen
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French:
Cygne chanteur
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German:
Singschwan
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Hungarian:
Énekes hattyú
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Icelandic:
Álft
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Irish:
Eala Ghlórach
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Italian:
Cigno selvatico
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Norwegian:
Sangsvane
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Polish:
Labedz krzykliwy
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Portuguese:
Cisne-bravo
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Spanish:
Cisne cantor
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Swedish:
Sångsvan
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For More Information...
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Books and Monographs:
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Rees, E. et al. 1997 BWP Update 1:27-35
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Brazil, M. 2003 The whooper swan Poyser, London
[598.484 BRA]
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Kear, J 2005 Ducks, geese and swans Oxford University Press
[598.48 KEA]
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See Also:
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Find scientific papers on Google Scholar
or Scirus by clicking the icon
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Wikipedia entry
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BirdLife species page
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Recent sightings and information from BirdGuides
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All About Birds (from the Cornell Lab of Ornithology)
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Read State of the Nations Birds by Chris Mead
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