BTO BirdFacts | Redwing

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Page updated:16-January-2013

	Order: Passeriformes	Family: Turdidae
	BTO Codes: RE, REDWI	EURING No: 12010
	Number in Britain: 650 thousand birds (Winter)
	Conservation Status:
	UK: RED
	European: Not a species of concern(Winte
	Global: (Details)
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Status in UK: (A) Migrant Breeder, Passage/Winter Visitor
Subspecies: iliacus (BW), coburni (BW) recorded in Britain (of 2 subsp. in the world)
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Length: 21 cm	Wingspan: 34 cm	Weight: M/F: 63 g

Scientific name from:	L.: turdus=a thrush and L.: iliacus=of the flanks (from ile=flank)
World Distribution:	BREEDS: n Eurasia, WINTERS: south to s Europe

Habitat:	Northern forest & tundra scrub
Diet:	Invertebrates, also berries in autumn and winter
TitBit:	Redwings are a classic night-time migrant, listen out on dark clear autumn and early winter nights, particularly in the east of the country, and you are likely to hear the thin 'tseep' of migrating Redwing overhead.

	Population Trend:	No population trend available
	Distribution:	Atlas Maps

British Population Size:

Winter: 650 thousand individuals in 1981-84 Note: Best estimate Baker, H. et al. (2006) British Birds 99:25-44

First Record: Recorded in Medieval times Bircham, P. 2007. A history of ornithology, Collins. [805 BIR]

[Fossil evidence from Devensian (last) glaciation, 10-120,000 yr ago]

First Breeding Record: Moray 1932 Brown, A. 2007. British Birds 100:214-243

Latest Survey: Holling, M. & RBBP 2011 British Birds 104:476-537

Conservation Status: RED because Recent Breeding Population Decline (1969-2007), Eaton, M.A. et al. 2009. British Birds 102:296-341

Previous Assessments: 2002-2007 AMBER Gregory, R.D. et al. 2002. British Birds 95:410-448

1996-2001 AMBER Gibbons, D.W. et al. 1996. RSPB Conservation Review 10:7-18

Races of Concern: iliacus RED (Recent Decline), coburni GREEN

Habitat Occupancy (in the Breeding Season):

No habitat data from BBS

Migration routes: Map of foreign ringing recoveries and summary map from Time to Fly (in pop-up windows)

European Population Size:

Summer: 4 to 6 million pairs (Trend in Numbers) Bufield, I. & Van Bommel, F. (2004) Birds in Europe. Birdlife International, Cambridge.

Population Assesment from Birds in Europe

Distribution in Europe mapped by the EBCC Atlas

Listed on the Appendices/Schedules of: WCA(I,IV), WBD(II*), Bern(III), Bonn(II)

Survey Results:	Results from BirdTrack
	Results from Garden BirdWatch
	Results from the Winter Farmland Bird Survey

Breeding and Survival
Egg Size: 26 x 19 mm	Egg Weight: 4.9 g (of which 5 % is shell)

Number of Nest Records: 1
Clutch Size: 4 - 5 eggs
Incubation: 11- 15 days		by the: Female
Fledging: 10 - 15days		as: Altricial, downy

First Clutches Laid: Unavailable
Number of Broods: 2

Number Ringed: Annual Totals
Adult Survival: 0.430
Juvenile Survival: No data

Age at First Breeding: 1 year	Typical Lifespan: 2 years
Maximum Recorded Age: 11 years 10 months 7 days (set in 1988)
Read a summary of Ringing Recoveries

Biometrics
Ring Size: CC
Wing Length	Adult:	119.4 ± 3.4 Range 103.0 - 135.0 mm, (N = 9961)
	Juvenile:	118.8 ± 3.2 Range 103.0 - 132.0 mm, (N = 15420)
	Male:	122.2 ± 2.0 Range 114.0 - 130.0 mm, (N = 75)
	Female:	115.8 ± 2.2 Range 110.0 - 125.0 mm, (N = 31)

Weight	Adult:	64.92 ± 8.16 Range 37.00 - 95.00 g , (N =8150)
	Juvenile:	60.9 ± 7.5 Range 34.7 - 94.0 . , (N =13228)
	Male:	66.59 ± 7.79 Range 49.00 - 90.00 g , (N =52)
	Female:	63.34 ± 7.05 Range 50.00 - 86.60 g , (N =26)
	Seasonal:	Summer 67.94 ± 9.23 (N = 113) Autumn 62.29 ± 7.20 (N = 8961) Winter 66.05 ± 6.40 (N = 12421)
	Source:	British Trust for Ornithology (2005) Ringing Scheme data

Other Names


Gaelic: Smeòrach-an-t-sneachda	Welsh: Coch Dan-aden
Danish: Vindrossel	Dutch: Koperwiek
Finnish: Punakylkirastas	French: Grive mauvis
German: Rotdrossel	Hungarian: Szolorigó
Icelandic: Skógarþröstur	Irish: Deargán Sneachta
Italian: Tordo sassello	Norwegian: Rødvingetrost
Polish: Drozdzik	Portuguese: Tordo-ruivo-comum
Spanish: Zorzal alirrojo	Swedish: Rödvingetrast

For More Information...
Books and Monographs:
Simms, E. 1978 British Thrushes Collins, London [598.911 SIM]

See Also:
Find scientific papers on Google Scholar or Scirus by clicking the icon
Wikipedia entry
BirdLife species page
Recent sightings and information from BirdGuides
Read State of the Nations Birds by Chris Mead

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