British Population Size:
Summer:
1.3 million individuals
in 1998-02
 
First Record:
Recorded in Medieval times
[Fossil evidence from
Latest Survey:
Mitchell, P.I. et al. (2004) Seabird populations of Britain and Ireland Poyser, London
Conservation Status:
AMBER
because
Localised Breeding Population,
Important Breeding Population
Previous Assessments:
2002-2007
AMBER
1996-2001
AMBER
Races of Concern:
aalge AMBER (Rare or Localised), albionis AMBER (Rare or Localised)
Habitat Occupancy (in the Breeding Season):
No habitat data from BBS
Migration routes:
Map of foreign ringing recoveries
and summary map from Time to Fly (in pop-up windows)
European Population Size:
Summer:
2 to 2.7 million pairs
Population Assesment from Birds in Europe
Distribution in Europe mapped by the EBCC Atlas
Listed on the Appendices/Schedules of:
WBD(I*), Bern(III)
Breeding and Survival
Egg Size:
82 x 50 mm
Egg Weight:
108.0 g (of which 11 % is shell)
Number of Nest Records:
2
Clutch Size:
1 eggs
Incubation:
28- 37 days
by the:
Male + Female
Fledging:
18 - 25days
as:
Altricial, downy
First Clutches Laid:
Unavailable
Number of Broods:
1
Number Ringed:
Annual Totals
Adult Survival:
0.946
Juvenile Survival:
0.560 (in First-Year)
Age at First Breeding:
5
years
Typical Lifespan:
23
years
Maximum Recorded Age:
32 years 2 months 26 days (set in 2011)
Read a summary of Ringing Recoveries
Biometrics
Ring Size:
Special
Wing Length
Adult:
203.2 ± 7.2
Range
171.0 - 221.0 mm, (N = 691)
Juvenile:
194.0 ± 7.8
Range
180.0 - 204.0 mm, (N = 12)
Male:
Insufficient Data
Female:
Insufficient Data
Weight
Adult:
920.6 ± 73.79
Range
645.0 - 1200 g , (N =994)
Juvenile:
Insufficient Data
Male:
Insufficient Data
Female:
Insufficient Data
Seasonal:
Summer 918.4 ± 66.71 (N = 867)  
Winter 904.2 ± 74.49 (N = 13)  
Source:
British Trust for Ornithology (2005) Ringing Scheme data
Other Names
Common Guillemot, Common Murre
Gaelic:
Eun-dubh-an-sgadain
Welsh:
Gwylog
Danish:
Lomvie
Dutch:
Zeekoet
Finnish:
Etelänkiisla
French:
Guillemot de Troďl
German:
Trottellumme
Hungarian:
Vékonycsoru lumma
Icelandic:
Langvía
Irish:
Foracha
Italian:
Uria
Norwegian:
Lomvi
Polish:
Nurzyk zwyczajny
Portuguese:
Arau-comum
Spanish:
Arao común
Swedish:
Sillgrissla
Local Names: Loom
Collective Noun: Loomery (breeding colony)
For More Information...
Books and Monographs:
Gaston, A. 1998 The auks Oxford University Press, Oxford
[598.618 GAS]
Nettleship, D. & Birkhead, T.R. 1985 The atlantic Alcidae Academic Press, London
[598.618 NET]
Birkhead, T. 1993 Great auk islands Poyser, London
[998 BIR]
See Also:
Find scientific papers on Google Scholar
or Scirus by clicking the icon
Wikipedia entry
BirdLife species page
Recent sightings and information from BirdGuides
All About Birds (from the Cornell Lab of Ornithology)
Details from the Patuxent Bird Identification Infocenter
Read State of the Nations Birds by Chris Mead