Carrion Crow Corvus corone   [Linnaeus, 1758]

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Order: Passeriformes Family: Corvidae
BTO Codes: C., CARCR EURING No: 15671
Number in Britain: 1 million Territories (Summer)
Conservation Status:
European: Not a species of concern
Global: (Details)
Status in UK: (A)  Resident Breeder, Winter Visitor
Subspecies: corone recorded in Britain (of 4 subsp. in the world)
Length: 46 cm Wingspan: 98 cm Weight: M/F: 510 g    
Scientific name from: L.: corvus=the raven and Gr.: korone=the crow
World Distribution: w Europe, ne&c Asia
Habitat: Almost everywhere
Diet: Invertebrates and cereal grain, also eggs, carrion and scraps
Identification Tips:
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Crossley ID photos BTO ID Workshop

Population and Distribution

Population Trend: BirdTrends   
Regional Trends: Scotland   Wales   England   English Regions
Distribution: Atlas Mapstore    BBS Maps
British Population Size:
    Summer: 1 million Territories in 2009
    First Record: Recorded in Anglo-Saxon times [Fossil evidence from Wolstonian (penultimate) glaciation, c. 150,000 yr ago]
    Latest Survey: Musgrove, A. et al. (2013) British Birds 106:64-100
    Conservation Status: GREEN
   Previous Assessments: 2002-2007 GREEN     1996-2001 GREEN  
   Races of Concern: corone GREEN
Habitat Occupancy (in the Breeding Season):
    Most frequent in: Towns
    Also common in: Pasture Farmland, Villages, Deciduous Wood
    And found in: Coastal Habitat, Scrub, Arable Farmland
Relative Frequency in Each Habitat:
European Population Size:
    Summer: 5.5 to 12 million pairs
Population Assesment from Birds in Europe
Distribution in Europe mapped by the EBCC Atlas
Listed on the Appendices/Schedules of: WBD(II*)
Survey Results: Results from BirdTrack
Results from Garden BirdWatch

Breeding and Survival

Egg Size: 43 x 30 mm Egg Weight: 19.8 g (of which 6 % is shell)
Number of Nest Records: 222
Clutch Size: 3 - 4 eggs 3.92 ± 0.90 (2 - 7) N = 1304
Incubation: 18- 20 days 18.46 ± 1.14 (16.5 - 20.5) N = 1304   by the: Female
Fledging: 29 - 30days 29.13 ± 3.38 (22 - 35.5) N = 2614 as: Altricial, downy
British Trust for Ornithology (2005) Nest Record Scheme data
First Clutches Laid: 7 Apr (14 Mar - 29 Apr)
Number of Broods: 1
See trends in Breeding Productivity
Number Ringed: Annual Totals
Adult Survival: 0.520       
Juvenile Survival: 0.490 (in First-Year)  
Age at First Breeding: 2 years Typical Lifespan: 4 years
Maximum Recorded Age: 9 years 0 months 8 days (set in 2012)
Read a summary of Ringing Recoveries


Ring Size: Fv
Wing Length Adult: 309.3 ± 20.9 Range 283 - 335 mm, N =92
Juvenile: 299.2 ± 22.0 259 - 325 mm, N =33
Male: 319.6 ± 14.0 . - . mm, N =24
Female: Insufficient Data
Weight Adult: 508.7 ± 65.26 Range 410.0 - 610.0 g , N =51
Juvenile: 429.2 ± 76.84 295.0 - 543.0 g , N =28
Male: Insufficient Data
Female: Insufficient Data
British Trust for Ornithology (2005) Ringing Scheme data

Other Names

Has Included Corvus cornix 
Gaelic: Feannag-dhubh Welsh: Bran Dyddyn
Danish: Sortkrage Dutch: Kraai
Finnish: Nokivaris French: Corneille noire
German: Rabenkrähe Hungarian: Dolmányos varjú
Icelandic: Kráka Irish: Caróg Liath/Caróg Dhubh
Italian: Cornacchia Norwegian: Krĺke
Polish: Wrona zwyczajna Portuguese: Gralha-cinzenta (-preta)
Spanish: Corneja Swedish: Krĺka
Collective Noun:Murder

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