Wood Warbler Phylloscopus sibilatrix   [Bechstein, 1793]

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Order: Passeriformes Family: Sylviidae
BTO Codes: WO, WOOWA EURING No: 13080
Number in Britain: 6500 Males (Summer)
Conservation Status:
UK: RED
European: 2 Concern, most in Europe; Declining
Global: (Details)
Status in UK: (A)  Migrant Breeder, Passage Visitor
Subspecies: Monotypic
.
Length: 12 cm Wingspan: 22 cm Weight: M/F: 10 g    
Scientific name from: Gr.: phullion=a leaf + skopos=a watcher and L.: sibilare=to whistle
World Distribution: BREEDS: Europe, nw Asia, WINTERS: tropical Africa
Habitat: Forest
Diet: Insects and other invertebrates, some fruit
Identification Tips:
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Crossley ID photos

Population and Distribution

Population Trend: BirdTrends   
Regional Trends: No regional trends available
Distribution: Atlas Mapstore   
British Population Size:
    Summer: 6500 Males in 2009
    First Record: Hampshire, 1768
    Latest Survey: Musgrove, A. et al. (2013) British Birds 106:64-100
    Conservation Status: RED because Recent Breeding Population Decline (1981-2007),
   Previous Assessments: 2002-2007 AMBER     1996-2001 GREEN  
   Races of Concern:
Habitat Occupancy (in the Breeding Season):
    No habitat data from BBS
European Population Size:
    Summer: 6 to 10 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), NERC (41)
Survey Results: Results from BirdTrack

Breeding and Survival

Egg Size: 16 x 13 mm Egg Weight: 1.3 g (of which 5 % is shell)
Number of Nest Records: 52   (more would be welcome!)
Clutch Size: 5 - 6 eggs 5.77 ± 0.90 (2 - 8) N = 589
Incubation: 13- 13 days 12.77 ± 0.80 (11.5 - 14.5) N = 589   by the: Female
Fledging: 13 - 13days 12.59 ± 0.63 (11 - 13.5) N = 1276 as: Altricial, downy
Source:
British Trust for Ornithology (2005) Nest Record Scheme data
First Clutches Laid: 19 May (9 May - 17 Jun)
Number of Broods: 1(2)
See trends in Breeding Productivity
Number Ringed: Annual Totals
Adult Survival: No data
Juvenile Survival: No data
Age at First Breeding: 1 year Typical Lifespan: No data
Maximum Recorded Age: 6 years 11 months 24 days (set in 1995)
Read a summary of Ringing Recoveries

Biometrics

Ring Size: AA (pulli A)
Wing Length Adult: 76.8 ± 2.6 Range 72 - 81 mm, N =249
Juvenile: 74.1 ± 2.3 71 - 78 mm, N =126
Male: 78.0 ± 1.9 75 - 81 mm, N =146
Female: 73.6 ± 1.5 71 - 76 mm, N =41
Weight Adult: 9.87 ± 0.75 Range 8.70 - 11.00 g , N =198
Juvenile: 9.77 ± 1.05 8.10 - 11.50 g , N =114
Male: 9.92 ± 0.53 9.10 - 10.80 g , N =111
Female: 9.84 ± 0.70 8.90 - 11.50 g , N =28
Source:
British Trust for Ornithology (2005) Ringing Scheme data

Other Names

 
Gaelic: Ceileiriche-coille Welsh: Telor y Coed
Danish: Skovsanger Dutch: Fluiter
Finnish: Sirittäjä French: Pouillot siffleur
German: Waldlaubsänger Hungarian: Sisego füzike
Icelandic: Grænsöngvari Irish: Ceolaire Coille
Italian: Luí verde Norwegian: Bøksanger
Polish: Swistunka lesna Portuguese: Felosa-assobiadeira
Spanish: Mosquitero silbador Swedish: Grönsångare
Local Names: Wood/Yellow Wren

For More Information...

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