British Population Size:
Summer:
931 thousand territories
in 2000
 
First Record:
1544
Conservation Status:
AMBER
because
Recent Breeding Population Decline (1969-2007),
Previous Assessments:
2002-2007
GREEN
1996-2001
GREEN
Races of Concern:
communis AMBER (Recent Decline)
Habitat Occupancy (in the Breeding Season):
Common in:
Scrub, Arable Farmland, Reedbed
Also found in:
Coastal Habitat, Villages
Relative Frequency in Each Habitat:
Migration routes:
Map of foreign ringing recoveries
Average Day of First Arrival:
15 Apr
European Population Size:
Summer:
9 to 17 million pairs
(Trend in Numbers )
Population Assesment from Birds in Europe
Distribution in Europe mapped by the EBCC Atlas
Listed on the Appendices/Schedules of:
Bern(III), Bonn(II)
Breeding and Survival
Egg Size:
18 x 14 mm
Egg Weight:
1.8 g (of which 6 % is shell)
Number of Nest Records:
108
(more would be welcome!)
Clutch Size:
4 - 5 eggs
4.64 ± 0.70 (2 - 7) N = 1021
Incubation:
12- 13 days
12.10 ± 1.57 (9 - 15.5) N = 1020
by the:
Male + Female
Fledging:
12 - 14days
12.73 ± 1.50 (10 - 15) N = 2169
as:
Altricial, naked
Source:
British Trust for Ornithology (2005) Nest Record Scheme data
First Clutches Laid:
22 May (5 May - 6 Jul)
Number of Broods:
1-2
See trends in Breeding Productivity
Number Ringed:
Annual Totals
Adult Survival:
0.391
± 0.025
Juvenile Survival:
0.289 (in First-Year)
Age at First Breeding:
1
year
Typical Lifespan:
2
years
Maximum Recorded Age:
6 years 11 months 30 days (set in 2009)
Read a summary of Ringing Recoveries
Biometrics
Ring Size:
A
Wing Length
Adult:
70.6 ± 1.9
Range
62.0 - 80.0 mm, (N = 11983)
Juvenile:
70.8 ± 1.8
Range
61.5 - 80.0 mm, (N = 87579)
Male:
71.2 ± 1.9
Range
63.0 - 80.0 mm, (N = 4594)
Female:
70.0 ± 1.8
Range
62.0 - 79.0 mm, (N = 3933)
Weight
Adult:
13.77 ± 1.34
Range
9.00 - 19.20 g , (N =10699)
Juvenile:
14.0 ± 1.3
Range
8.7 - 19.2 . , (N =81045)
Male:
13.37 ± 1.07
Range
9.00 - 19.20 g , (N =3998)
Female:
14.15 ± 1.43
Range
9.10 - 19.20 g , (N =3428)
Seasonal:
Summer 13.67 ± 1.22 (N = 27222)  
Autumn 14.72 ± 1.55 (N = 3878)
Source:
British Trust for Ornithology (2005) Ringing Scheme data
Other Names
Common Whitethroat
Gaelic:
Gealan-coille
Welsh:
Llwydfron
Danish:
Tornsanger
Dutch:
Grasmus
Finnish:
Pensaskerttu
French:
Fauvette grisette
German:
Dorngrasmücke
Hungarian:
Mezei poszáta
Icelandic:
Þyrnisöngvari
Irish:
Gilphíb
Italian:
Sterpazzola
Norwegian:
Tornsanger
Polish:
Cierniówka
Portuguese:
Papa-amoras-comum
Spanish:
Curruca zarcerilla
Swedish:
Törnsångare
Local Names: Nettlecreeper
For More Information...
Books and Monographs:
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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