Population and Distribution
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Population Trend:
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No population trend available
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Distribution:
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 Atlas Maps
(Local Atlases)
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British Population Size:
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Summer:
1684 pairs
in 2005-09
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Winter:
25 thousand individuals
in 2004-09
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First Record:
1666
[Fossil evidence from
Ipswichian (last) interglacial, c. 125,000 yr ago]
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First Breeding Record:
East Anglia 1850
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Latest Survey:
Holling, M. & RBBP (2011) British Birds 104:476-537
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Conservation Status:
AMBER
because
Species of European Concern,
Important 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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European Population Size:
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Summer:
28 to 35 thousand pairs
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Population Assesment from Birds in Europe
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Distribution in Europe
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Listed on the Appendices/Schedules of:
WCA(II), WBD(II*), Bern(III), Bonn(II), AEWA
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Survey Results:
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BirdTrack
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Wetland Bird Survey Alerts
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Breeding and Survival
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Egg Size:
55 x 39 mm
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Egg Weight:
44.0 g (of which 8 % is shell)
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Number of Nest Records:
9
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Clutch Size:
9 - 11 eggs
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Incubation:
24- 26 days
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by the:
Female
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Fledging:
45 - 50days
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as:
Precocial, downy
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First Clutches Laid:
Unavailable
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Number of Broods:
1
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Number Ringed:
209
(Annual Totals)
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Adult Survival:
0.720
(M:0.752
± 0.054;
F:0.690
± 0.065)
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Juvenile Survival:
No data
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Age at First Breeding:
1
year
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Typical Lifespan:
4
years
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Maximum Recorded Age:
21 years 3 months 29 days (set in 1986)
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Summary of Ringing Recoveries
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Biometrics
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Ring Size:
F*
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Wing Length
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Adult:
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264.3 ± 10.3
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Range
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247 - 280 mm, N =198
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Juvenile:
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254.1 ± 13.9
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231 - 271 mm, N =29
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Male:
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271.7 ± 6.9
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260 - 284 mm, N =106
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Female:
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255.7 ± 6.1
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245 - 265 mm, N =91
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Weight
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Adult:
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809.5 ± 105.0
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Range
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650.0 - 980.0 g , N =183
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Juvenile:
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748.8 ± 90.21
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610.0 - 920.0 g , N =29
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Male:
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839.6 ± 98.22
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675.0 - 990.0 g , N =95
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Female:
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777.8 ± 103.2
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630.0 - 980.0 g , N =87
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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:
Lach-ghlas
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Welsh:
Hwyaden Lwyd
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Danish:
Knarand
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Dutch:
Krakeend
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Finnish:
Harmaasorsa
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French:
Canard chipeau
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German:
Schnatterente
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Hungarian:
Kendermagos réce
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Icelandic:
Gargönd
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Irish:
Gadual
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Italian:
Canapiglia
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Norwegian:
Snadderand
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Polish:
Krakwa
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Portuguese:
Frisada
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Spanish:
Anade friso
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Swedish:
Snatterand
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Local Names:Grey Duck
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For More Information...
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Books and Monographs:
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Kear, J 2005 Ducks, geese and swans Oxford University Press
[598.48 KEA]
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Cabot, D. 2009 Wildfowl Collins, London
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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 (Cornell Lab of Ornithology)
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Gough, G.A. et al. (1998) Patuxent Bird Identification Infocenter
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State of the Nations Birds by Chris Mead
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