Great Spotted Woodpecker Dendrocopos major   [Linnaeus, 1758]

Other Names Trends & Distribution Breeding & Survival Biometrics Books & Links

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Order: Piciformes Family: Picidae
BTO Codes: GS, GRSWO EURING No: 8760
Number in Britain: 41 thousand pairs (Summer)
Conservation Status:
UK: GREEN
European: Not a species of concern
Global: Least Concern ( Details )
Links to: Images   Videos   Sound  
Status in UK: (A)  Resident Breeder, Scarce Visitor
Subspecies: anglicus (R), major (S) recorded in Britain (of 24 subsp. in the world)
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Length: 22 cm Wingspan: 36 cm Weight: M/F: 85 g    
Scientific name from: Gr.: dendron=tree + kopos=cutter and L.: major=great
World Distribution: Eurasia
Habitat: Forest, woodland, towns
Diet: Mostly insects hidden under bark or in dead wood, but also tree seeds and birds' eggs
TitBit: The drumming sound produced by the woodpecker relies not so much on a heavy knock, but rather on the correct frequency of knocks (10-40 strikes per second) to make the timber resonate, although they do have shock-absorbent tissue at the base of the skull.  

Population and Distribution

Population Trend: Wider Countryside Report
Regional Trends: Wales   England   English Regions
Distribution: Atlas Maps    (Local Atlases)    BBS Maps
British Population Size:
    Summer: 37 to 44 thousand pairs in 2000     Note: Best estimate
    First Record: 10th Century [Fossil evidence from early Holocene, up to 10,000 yr ago]
    Conservation Status: GREEN
   Previous Assessments: 2002-2007 GREEN     1996-2001 GREEN  
   Races of Concern: anglicus AMBER (Important Population)
Habitat Occupancy (in the Breeding Season):
    Most frequent in: Deciduous Wood
    And found in: Villages
Relative Frequency in Each Habitat:
European Population Size:
    Summer: 4 to 8 million pairs   (Trend in Numbers)
Population Assesment from Birds in Europe
Distribution in Europe
Listed on the Appendices/Schedules of: WBD(I*), Bern(III)
Survey Results: BirdTrack
Garden BirdWatch

Breeding and Survival

Egg Size: 27 x 20 mm Egg Weight: 5.7 g (of which 7 % is shell)
Number of Nest Records: 51   (more would be welcome!)
Clutch Size: 4 - 6 eggs 5.28 ± 1.49 (2 - 9) N = 43
Incubation: 14- 16 days 14.32 ± 2.10 (10.5 - 17) N = 42   by the: Female (occ. Male)
Fledging: 20 - 24days 22.30 ± 2.91 (18 - 27.5) N = 362 as: Altricial, naked
Source:
British Trust for Ornithology (2005) Nest Record Scheme data
First Clutches Laid: 4 May (16 Apr - 22 May)
Number of Broods: 1
Trends in Breeding Productivity
Number Ringed: 876 (Annual Totals)
Adult Survival: No data
Juvenile Survival: No data
Age at First Breeding: 1 year Typical Lifespan: No data
Maximum Recorded Age: 10 years 9 months 22 days (set in 1976)
Summary of Ringing Recoveries       

Biometrics

Ring Size: C
Wing Length Adult: 132.4 ± 2.7 Range 128 - 137 mm, N =2663
Juvenile: 131.3 ± 3.5 126 - 136 mm, N =2357
Male: 132.5 ± 2.6 128 - 137 mm, N =1335
Female: 132.2 ± 2.7 128 - 137 mm, N =1319
Weight Adult: 78.73 ± 5.31 Range 71.00 - 87.00 g , N =2113
Juvenile: 76.86 ± 5.68 69.30 - 85.00 g , N =1878
Male: 79.80 ± 5.32 72.00 - 88.00 g , N =1046
Female: 77.65 ± 5.08 70.00 - 86.00 g , N =1061
Source:
British Trust for Ornithology (2005) Ringing Scheme data

Other Names

 
Gaelic: Snagan-daraich Welsh: Cnocell Fraith Fwyaf
Danish: Stor flagspćtte Dutch: Grote bonte specht
Finnish: Käpytikka French: Pic épeiche
German: Buntspecht Hungarian: Nagy fakopáncs
Icelandic: Barrspćta Irish: Mórchnagaire Breac
Italian: Picchio rosso maggiore Norwegian: Flaggspett
Polish: Dzieciol duzy Portuguese: Pica-pau-malhado-grande
Spanish: Pico picapinos Swedish: Större hackspett

For More Information...

Books and Monographs:
   Michalek, K.G. & Miettinen, J. 2003 BWP Update 5:101-184
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
State of the Nations Birds by Chris Mead