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British Population Size:
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Summer:
790 thousand territories
in 2000
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First Record:
Recorded in Anglo-Saxon times
[Fossil evidence from
Wolstonian (penultimate) glaciation, c. 150,000 yr ago]
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Latest Survey:
Gregory, R.D. & Marchant, J.H. (1996) Bird Study 43:28-37
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Conservation Status:
GREEN
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Previous Assessments:
2002-2007
GREEN
1996-2001
GREEN
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Races of Concern:
corone GREEN
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Habitat Occupancy (in the Breeding Season):
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Most frequent in:
Towns
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Also common in:
Pasture Farmland, Villages, Deciduous Wood
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And found in:
Coastal Habitat, Scrub, Arable Farmland
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Relative Frequency in Each Habitat:
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European Population Size:
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Summer:
5.5 to 12 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:
WBD(II*)
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Breeding and Survival
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Egg Size:
43 x 30 mm
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Egg Weight:
19.8 g (of which 6 % is shell)
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Number of Nest Records:
222
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Clutch Size:
3 - 4 eggs
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3.92 ± 0.90 (2 - 7) N = 1304
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Incubation:
18- 20 days
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18.46 ± 1.14 (16.5 - 20.5) N = 1304
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by the:
Female
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Fledging:
29 - 30days
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29.13 ± 3.38 (22 - 35.5) N = 2614
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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:
7 Apr (14 Mar - 29 Apr)
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Number of Broods:
1
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See trends in Breeding Productivity
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Number Ringed:
Annual Totals
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Adult Survival:
0.520
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Juvenile Survival:
0.490 (in First-Year)
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Age at First Breeding:
2
years
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Typical Lifespan:
4
years
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Maximum Recorded Age:
7 years 5 months 0 days (set in 2010)
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Read a summary of Ringing Recoveries
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Biometrics
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Ring Size:
Fv
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Wing Length
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Adult:
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313.8 ± 20.9
Range
224.0 - 366.0 mm, (N = 92)
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Juvenile:
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297.7 ± 25.1
Range
180.0 - 329.0 mm, (N = 74)
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Male:
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325.3 ± 14.0
Range
233.0 - 366.0 mm, (N = 24)
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Female:
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Insufficient Data
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Weight
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Adult:
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510.2 ± 65.26
Range
266.0 - 700.0 g , (N =51)
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Juvenile:
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417.3 ± 84.0
Range
139.8 - 638.1 . , (N =57)
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Male:
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Insufficient Data
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Female:
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Insufficient Data
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Seasonal:
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Summer 505.9 ± 76.52 (N = 44)
Winter 522.3 ± 79.39 (N = 55)
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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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Has Included Corvus cornix
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Gaelic:
Feannag-dhubh
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Welsh:
Bran Dyddyn
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Danish:
Sortkrage
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Dutch:
Kraai
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Finnish:
Nokivaris
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French:
Corneille noire
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German:
Rabenkrähe
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Hungarian:
Dolmányos varjú
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Icelandic:
Kráka
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Irish:
Caróg Liath/Caróg Dhubh
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Italian:
Cornacchia
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Norwegian:
Krĺke
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Polish:
Wrona zwyczajna
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Portuguese:
Gralha-cinzenta (-preta)
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Spanish:
Corneja
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Swedish:
Krĺka
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Collective Noun:Murder
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For More Information...
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Books and Monographs:
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No books written recently
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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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