British Population Size:
Summer:
1980 individuals
in 2003-04
 
First Record:
Recorded in Medieval times
[Fossil evidence from
Wolstonian (penultimate) glaciation, c. 150,000 yr ago]
First Breeding Record:
Introduced Perthshire (after extinct 1770s) 1837
Latest Survey:
Eaton, M.A. et al. (2007) Bird Study 54:145-153
Conservation Status:
RED
because
Recent Breeding Range Decline (1969-2007)
Previous Assessments:
2002-2007
RED
1996-2001
RED
Races of Concern:
urogallus RED (Recent Decline)
UK Biodiversity Action Plan
(Lead Partner: CEH & RSPB)
Habitat Occupancy (in the Breeding Season):
No habitat data from BBS
European Population Size:
Summer:
360 to 550 thousand pairs
Population Assesment from Birds in Europe
Distribution in Europe mapped by the EBCC Atlas
Listed on the Appendices/Schedules of:
WCA(I,II,III,IX), WBD(I,II*,III*), Bern(II*,III)
Breeding and Survival
Egg Size:
57 x 42 mm
Egg Weight:
53.0 g (of which 8 % is shell)
Number of Nest Records:
2
Clutch Size:
7 - 11 eggs
Incubation:
24- 26 days
by the:
Female
Fledging:
14 - 21days
as:
Precocial, downy
First Clutches Laid:
Unavailable
Number of Broods:
1
Number Ringed:
Annual Totals
Adult Survival:
0.720
(M:0.810
;
F:0.630
)
Juvenile Survival:
0.500 (in First-Year)
Age at First Breeding:
Typical Lifespan:
No data
Maximum Recorded Age:
3 years 6 months 8 days (set in 1996)
Read a summary of Ringing Recoveries
Biometrics
Ring Size:
J* (females), L* (males)
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
Seasonal:
Other Names
Western Capercaillie
Gaelic:
Capall-coille
Welsh:
Danish:
Tjur
Dutch:
Auerhoen
Finnish:
Metso; Koppelo
French:
Grand Tétras
German:
Auerhuhn
Hungarian:
Siketfajd
Icelandic:
Žišur
Irish:
Capall Coille
Italian:
Gallo cedrone
Norwegian:
Storfugl
Polish:
Gluszec zwyczajny
Portuguese:
Tetraz
Spanish:
Urogallo
Swedish:
Tjäder
Collective Noun: Tok
For More Information...
Books and Monographs:
Storch, I. 2001 BWP Update 3:1-24
Watson, A. & Moss, R. 2008 Grouse Collins, London
[598.543 WAT]
Harvie-Brown, J.A. 1879 The Capercaillie in Scotland David Douglas, Edinburgh
[598.543 HAR]
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
Read State of the Nations Birds by Chris Mead