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Marsh Warbler Acrocephalus palustris   [Bechstein, 1798]
Other Names Trends & Distribution Breeding & Survival Biometrics Books & Links
Order: Passeriformes Family: Sylviidae
BTO Codes: MW , MARWA EURING No: 12500
Number in Britain: 50 records/year
Conservation Status:
UK: RED
European: Not a species of concern
Global: Least Concern
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Status in UK: (A)  Former Breeder, Passage Visitor
Subspecies: Monotypic
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Length: 13 cm Wingspan: 20 cm Weight: M/F: 13 g    
Scientific name from: Gr.: akros=pointed + kephale=head and L.: palus=a marsh
World Distribution: BREEDS: c Europe, Near East, WINTERS: e Africa
Habitat: Scrub, grassland
Diet: Insects and spiders also snails and occ. berries
TitBit: Like many other Acrocephalus warblers, the Marsh warbler is a good songster, and an individual bird can sing for extended periods, sometimes up to an hour continuously, and mimics the songs of birds from both its breeding and wintering range  
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Population and Distribution
Population Trend: No population trend available
Distribution: Atlas Maps    (Help with the New Atlas)   
British Population Size:
    Passage: 50 individuals
    Summer: 6 to 8 pairs in 2005
    First Record: 1871
    Latest Survey: Eaton, M.A. et al. ((2006)) State of the UK's birds 2005 RSPB, Sandy
UK Biodiversity Action Plan (Lead Partner: RSPB, Wildlife Trusts)
Habitat Occupancy (in the Breeding Season):
    No habitat data from BBS
European Population Size:
    Summer: 2.2 to 3.8 million pairs
Population Assesment from Birds in Europe
Distribution in Europe
Listed on the Appendices/Schedules of: WCA(I,IV), Bern(III), Bonn(II)
Survey Results:
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Breeding and Survival
Egg Size: 19 x 14 mm Egg Weight: 1.9 g (of which 6 % is shell)
Number of Nest Records: 1
Clutch Size: 4 - 5 eggs
Incubation: 12 - 14 days by the: Male + Female
Fledging: 10 - 11 days as: Altricial, naked
First Clutches Laid: Does not breed in Britain, or too few Nest Records
Number of Broods: 1

Number Ringed: 23
Adult Survival: No data Juvenile Survival: No data
Age at First Breeding: Typical Lifespan: No data
Maximum Recorded Age: 7yr10m   (Sweden: 9yr 1m)
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Biometrics
Ring Size: A
Wing Length Adult: 70.5 ± 1.7 Range 67 - 73 mm, N =53
Juvenile: 68.3 ± 1.6 66 - 71 mm, N =21
Male: Insufficient Data
Female: Insufficient Data
Weight Adult: 12.87 ± 1.10 Range 11.40 - 15.00 g , N =49
Juvenile: 12.70 ± 2.37 9.75 - 17.55 g , N =20
Male: Insufficient Data
Female: Insufficient Data
Source:
British Trust for Ornithology (2005) Ringing Scheme data
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Other Names
Gaelic: Ceileiriche-fčithe Welsh: Telor y Gwerni
Danish: Kćrsanger Dutch: Bosrietzanger
Finnish: Luhtakerttunen French: Rousserolle verderolle
German: Sumpfrohrsänger Hungarian: Énekes nádiposzáta
Icelandic: Seljusöngvari Irish: Ceolaire Corraigh
Italian: Cannaiola verdognola Norwegian: Myrsanger
Polish: Lozówka Portuguese: Felosa-palustre
Spanish: Carricero políglota Swedish: Kärrsĺngare
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For More Information...
Books and Monographs:
No books written recently
See Also:
Wikipedia entry
State of the Nations Birds by Chris Mead
Recent sightings and information from BirdGuides.com
Selected scientific papers published 1980-2005
Find more papers on Google Scholar
Find more papers on Scirus

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Email: birdfacts@bto.org

These data should be cited as:
Robinson, R.A. (2005) BirdFacts: profiles of birds occurring in Britain & Ireland (v1.22, Oct 2008). BTO Research Report 407, BTO, Thetford (http://www.bto.org/birdfacts)

 

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