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British Population Size:
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Summer:
1108 pairs
in 2005-09
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First Record:
Recorded in Medieval times
[Fossil evidence from
Middle Pleistocene, c. 500,000 yr ago]
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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
AMBER
1996-2001
AMBER
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Races of Concern:
aquaticus GREEN
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Habitat Occupancy (in the Breeding Season):
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No habitat data from BBS
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Migration routes:
Map of foreign ringing recoveries
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European Population Size:
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Summer:
125 to 310 thousand 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:
WBD(II*), Bern(III)
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Breeding and Survival
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Egg Size:
36 x 26 mm
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Egg Weight:
13.2 g (of which 7 % is shell)
|
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Number of Nest Records:
2
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Clutch Size:
6 - 11 eggs
|
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Incubation:
19- 22 days
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by the:
Female (occ. Male)
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Fledging:
20 - 30days
|
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as:
Precocial, downy
|
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|
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First Clutches Laid:
Unavailable
|
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Number of Broods:
1/2
|
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Number Ringed:
Annual Totals
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Adult Survival:
No data
|
Juvenile Survival:
No data
|
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Age at First Breeding:
1
year
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Typical Lifespan:
No data
|
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Maximum Recorded Age:
8 years 9 months 30 days (set in 1996)
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Read a summary of Ringing Recoveries
|
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Biometrics
|
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Ring Size:
D (pulli Eo)
|
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Wing Length
|
Sexually dimorphic (male much larger than female)
|
|
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Male:
|
126.2 ± 3.2
Range
102.0 - 137.0 mm, (N = 217)
|
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Female:
|
116.1 ± 3.1
Range
107.0 - 126.0 mm, (N = 204)
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Weight
|
Sexually dimorphic (male much larger than female)
|
|
|
Male:
|
139.6 ± 18.62
Range
88.00 - 180.0 g , (N =186)
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Female:
|
110.3 ± 14.68
Range
73.00 - 160.0 g , (N =188)
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Seasonal:
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Summer 124.8 ± 19.12 (N = 44)
Autumn 114.4 ± 19.58 (N = 189)
Winter 128.9 ± 21.68 (N = 507)
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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:
Gearradh-dubh-nan-allt
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Welsh:
Rhegen y Dwr
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Danish:
Vandrikse
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Dutch:
Waterral
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Finnish:
Luhtakana
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French:
Râle d´eau
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German:
Wasserralle
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Hungarian:
Guvat
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Icelandic:
Keldusvín
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Irish:
Ralóg Uisce
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Italian:
Porciglione
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Norwegian:
Vannrikse
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Polish:
Wodnik zwyczajny
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Portuguese:
Frango-d'água
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Spanish:
Rascón
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Swedish:
Vattenrall
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Local Names:Velvet Runner, Skittycock, Sharmer
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For More Information...
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Books and Monographs:
|
|
Taylor, B. & van Perlo, B. 1998 Rails Pica Press, Sussex
[598.554 TAY]
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See Also:
|
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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