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British Population Size:
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Summer:
53 thousand territories
in 2000
Note: Best estimate
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First Record:
1678
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Latest Survey:
Perrins, C.M. (2003) British Birds 96:418-426
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Conservation Status:
RED
because
Recent Breeding Population Decline (1969-2007),
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Previous Assessments:
2002-2007
RED
1996-2001
AMBER
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Races of Concern:
dresseri RED (Recent Decline)
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Habitat Occupancy (in the Breeding Season):
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Most frequent in:
Deciduous Wood
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Relative Frequency in Each Habitat:
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European Population Size:
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Summer:
2.9 to 5.4 million pairs
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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:
Bern(III)
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Breeding and Survival
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Egg Size:
16 x 12 mm
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Egg Weight:
1.2 g (of which 6 % is shell)
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Number of Nest Records:
37
(more would be welcome!)
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Clutch Size:
7 - 9 eggs
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7.77 ± 1.45 (2 - 11) N = 452
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Incubation:
14- 16 days
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14.64 ± 1.54 (12 - 17) N = 452
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by the:
Female
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Fledging:
18 - 21days
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19.14 ± 2.12 (15 - 22.5) N = 707
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as:
Altricial, downy
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Source:
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British Trust for Ornithology (2005) Nest Record Scheme data
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First Clutches Laid:
20 Apr (9 Apr - 6 May)
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Number of Broods:
1(2)
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See trends in Breeding Productivity
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Number Ringed:
Annual Totals
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Adult Survival:
0.470
± 0.060
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Juvenile Survival:
0.190 (in First-Year)
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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:
10 years 1 months 26 days (set in 1994)
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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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Adult:
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62.5 ± 1.9
Range
55.0 - 68.0 mm, (N = 1211)
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Juvenile:
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61.9 ± 1.8
Range
55.0 - 71.0 mm, (N = 4658)
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Male:
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63.5 ± 2.0
Range
56.0 - 67.0 mm, (N = 92)
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Female:
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61.5 ± 1.6
Range
57.0 - 67.0 mm, (N = 139)
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Weight
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Adult:
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10.72 ± 0.67
Range
8.40 - 13.00 g , (N =991)
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Juvenile:
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10.5 ± 0.6
Range
8.2 - 13.0 . , (N =4223)
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Male:
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10.80 ± 0.61
Range
9.30 - 13.00 g , (N =86)
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Female:
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10.68 ± 0.84
Range
8.80 - 13.00 g , (N =122)
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Seasonal:
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Summer 10.59 ± 0.63 (N = 509)
Autumn 10.72 ± 0.56 (N = 379)
Winter 10.75 ± 0.61 (N = 1741)
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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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Previously Parus palustris
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Gaelic:
Cailleachag-lòin
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Welsh:
Titw'r Wern
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Danish:
Sumpmejse
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Dutch:
Glanskop
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Finnish:
Viitatiainen
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French:
Mésange nonnette
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German:
Sumpfmeise
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Hungarian:
Barátcinege
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Icelandic:
Laufmeisa
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Irish:
Meantán Lathaí
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Italian:
Cincia bigia
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Norwegian:
Løvmeis
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Polish:
Sikora uboga
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Portuguese:
Chapim-palustre
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Spanish:
Carbonero palustre
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Swedish:
Entita
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For More Information...
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Books and Monographs:
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Perrins, C. 1979 British tits Collins, London
[598.922 PER]
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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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