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British Population Size:
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Summer:
1876 males
in 2005-09
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First Record:
Hampshire, 1961
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First Breeding Record:
Kent 1972
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Latest Survey:
Holling, M. & RBBP (2011) British Birds 104:476-537
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Conservation Status:
GREEN
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Previous Assessments:
2002-2007
GREEN
1996-2001
AMBER
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Races of Concern:
cetti GREEN
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Habitat Occupancy (in the Breeding Season):
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No habitat data from BBS
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European Population Size:
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Summer:
600 thousand to 1.6 million pairs
(Trend in Numbers)
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Population Assesment from Birds in Europe
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Distribution in Europe mapped by the EBCC Atlas
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Listed on the Appendices/Schedules of:
WCA(I,IV), Bern(III), Bonn(II)
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Breeding and Survival
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Egg Size:
18 x 14 mm
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Egg Weight:
1.8 g (of which 5 % is shell)
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Number of Nest Records:
1
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Clutch Size:
4 - 5 eggs
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Incubation:
16- 17 days
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by the:
Female
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Fledging:
14 - 16days
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as:
Altricial, downy
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First Clutches Laid:
Unavailable
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Number of Broods:
2
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See trends in Breeding Productivity
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Number Ringed:
Annual Totals
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Adult Survival:
0.499
± 0.039
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Juvenile Survival:
No data
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Age at First Breeding:
1
year
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Typical Lifespan:
2
years
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Maximum Recorded Age:
9 years 3 months 28 days (set in 2008)
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Read a summary of Ringing Recoveries
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Biometrics
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Ring Size:
A
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Wing Length
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Sexually dimorphic (male much larger than female)
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Male:
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63.2 ± 1.9
Range
52.0 - 68.0 mm, (N = 193)
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Female:
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56.5 ± 1.9
Range
50.0 - 66.0 mm, (N = 219)
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Weight
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Sexually dimorphic (male much larger than female)
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Male:
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15.50 ± 1.03
Range
10.90 - 18.40 g , (N =185)
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Female:
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12.53 ± 1.20
Range
9.80 - 17.30 g , (N =203)
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Seasonal:
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Summer 14.16 ± 1.79 (N = 754)  
Autumn 13.42 ± 1.90 (N = 248)
Winter 13.74 ± 2.09 (N = 54)  
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Source:
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British Trust for Ornithology (2005) Ringing Scheme data
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Other Names
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Gaelic:
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Welsh:
Telor Cetti
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Danish:
Cettisanger
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Dutch:
Cetti's zanger
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Finnish:
Silkkikerttunen
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French:
Bouscarle de Cetti
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German:
Seidensänger
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Hungarian:
Berki poszáta
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Icelandic:
Blćsöngvari
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Irish:
Ceolaire Cetti
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Italian:
Usignolo di fiume
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Norwegian:
Cettisanger
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Polish:
Wierzbówka zwyczajna
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Portuguese:
Rouxinol-bravo
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Spanish:
Ruiseńor bastardo
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Swedish:
Cettisĺngare
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For More Information...
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Books and Monographs:
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No books written recently
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See Also:
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Find scientific papers on Google Scholar
or Scirus by clicking the icon
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Wikipedia entry
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BirdLife species page
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Recent sightings and information from BirdGuides
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Read State of the Nations Birds by Chris Mead
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