Status in UK:
(A) Resident Breeder, Passage/Winter Visitor
Subspecies:clangula recorded in Britain (of 2 subsp. in the world)
.
Length:
46 cm
Wingspan:
72 cm
Weight:
M: 1 kg F: 750
Scientific name from:
Gr.: bous=ox(bull) + kephalos=head
and L.: clangere=to resound
World Distribution:
BREEDS: n&c Europe, n Asia & n North America, WINTERS: south to Mediterranean Sea, se China & s US
Habitat:
Lakes, rivers, on migration also seacoasts
Diet:
Insects, molluscs and crustaceans, mainly by diving
TitBit:
A recent coloniser of Britain, largely thanks to a nestboox programme in Speyside, this duck nests in holes in trees and as a specatacular courtship display - its loud double whstle can be heard more than a kilometre away
Population and Distribution
Population Trend:
No population trend available
Distribution:
No distribution maps available
British Population Size:
Summer:
200 pairs
in 1998
Winter:
25 thousand individuals
in 1994-99
First Record:
1555
[Fossil evidence from
Middle Pleistocene, c. 500,000 yr ago]
First Breeding Record:
Inverness-shire 1970
Habitat Occupancy (in the Breeding Season):
No habitat data from BBS
European Population Size:
Summer:
290 to 380 thousand pairs
Population Assesment from Birds in Europe
Distribution in Europe
Listed on the Appendices/Schedules of:
WCA(I,II), WBD(II*), Bern(III), Bonn(II), AEWA
Survey Results:
BirdTrack
Wetland Bird Survey Alerts
Breeding and Survival
Egg Size:
59 x 43 mm
Egg Weight:
57.0 g (of which 11 % is shell)
Number of Nest Records:
14
Clutch Size:
8 - 11 eggs
Incubation:
29 - 30 days
by the:
Female
Fledging:
57 - 66 days
as:
Precocial, downy
First Clutches Laid:
Unavailable
Number of Broods:
1
Number Ringed:
19
Adult Survival:
0.829
Juvenile Survival:
No data
Age at First Breeding:
2
years
Typical Lifespan:
7
years
Maximum Recorded Age:
11yr0m
(Russia: 16yr 11m)
Biometrics
Ring Size:
G (breeding females F)
Wing Length
Adult:
Insufficient Data.
Juvenile:
Insufficient Data.
Male:
Insufficient Data
Female:
Insufficient Data
Weight
Adult:
Insufficient Data.
Juvenile:
Insufficient Data.
Male:
Insufficient Data
Female:
Insufficient Data
Other Names
Common Goldeneye
Gaelic:
Lach-bhreac
Welsh:
Hywaden Lygad-aur
Danish:
Hvinand
Dutch:
Brilduiker
Finnish:
Telkkä
French:
Garrot ŕ oeil d´or
German:
Schellente
Hungarian:
Kerceréce
Icelandic:
Hvinönd
Irish:
Órshúileach
Italian:
Quattrocchi
Norwegian:
Kvinand
Polish:
Gagol
Portuguese:
Pato-olho-d'ouro
Spanish:
Porrón osculado
Swedish:
Knipa
Local Names: Rattlewing
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
State of the Nations Birds by Chris Mead
Recent sightings and information from BirdGuides.com
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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Other Names
