Population and Distribution
Population Trend:
JNCC Seabird Monitoring Programme
Distribution:
Atlas Maps
(Local Atlases )
British Population Size:
Summer:
48 thousand pairs
in 1998-02
 
First Record:
1818
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:
leucorhoa AMBER (European Concern)
Habitat Occupancy (in the Breeding Season):
No habitat data from BBS
European Population Size:
Summer:
120 to 220 thousand pairs
Population Assesment from Birds in Europe
Listed on the Appendices/Schedules of:
WCA(I), WBD(I), Bern(II)
Survey Results:
BirdTrack
Seabird 2000 (warning: link to large pdf)
Breeding and Survival
Egg Size:
33 x 24 mm
Egg Weight:
10.1 g (of which 6 % is shell)
Number of Nest Records:
1
Clutch Size:
1 eggs
Incubation:
41- 42 days
by the:
Male + Female
Fledging:
63 - 70days
as:
Altricial, downy
First Clutches Laid:
Unavailable
Number of Broods:
1
Number Ringed:
130
(Annual Totals )
Adult Survival:
0.880
Juvenile Survival:
No data
Age at First Breeding:
5
years
Typical Lifespan:
13
years
Maximum Recorded Age:
29 years 11 months 5 days (set in 2002)
Summary of Ringing Recoveries
Biometrics
Ring Size:
B2
Wing Length
Sexually dimorphic (male much larger than female)
Male:
Insufficient Data
Female:
160.4 ± 2.6
157 - 164 mm, N =25
Weight
Sexually dimorphic (male much larger than female)
Male:
Insufficient Data
Female:
48.63 ± 4.68
39.80 - 53.30 g , N =25
Source:
British Trust for Ornithology (2005) Ringing Scheme data
Other Names
Leach's Storm Petrel
Gaelic:
Gobhlan-mara
Welsh:
Pedryn Gynffon-fforchog
Danish:
Stor stormsvale
Dutch:
Vaal stormvogeltje
Finnish:
Myrskykeiju
French:
Pétrel culblanc
German:
Wellenläufer
Hungarian:
Villás viharfecske
Icelandic:
Sjósvala
Irish:
Guairdeall Gabhlach
Italian:
Uccello delle tempeste codaforcuta
Norwegian:
Stormsvale
Polish:
Nawalnik duzy
Portuguese:
Paínho-de-cauda-forcada
Spanish:
Paiño de Leach
Swedish:
Klykstjärtad stormsvala
For More Information...
Books and Monographs:
Brooke, M. de L. 2004 Albatrosses and petrels across the world Oxford University Press, Oxford
[598.44 BRO]
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
Gough, G.A. et al. (1998) Patuxent Bird Identification Infocenter
State of the Nations Birds by Chris Mead
BOU Register of Avian Theses entry