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Corn Bunting Emberiza calandra [Linnaeus, 1758]
Other Names
Trends & Distribution
Breeding & Survival
Biometrics
Books & Links
Order:
Passeriformes
Family:
Emberizidae
BTO Codes:
CB , CORBU
EURING No:
18820
Number in Britain:
10 thousand territories (Summer)
Conservation Status:
UK:
RED
European:
2 Concern, most in Europe; Declining
Global:
Least Concern
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IBC
Status in UK:
(A) Resident Breeder, Passage/Winter Visitor
Subspecies:
calandra recorded in Britain (of 2 subsp. in the world)
.
Length:
18 cm
Wingspan:
29 cm
Weight:
M: 53 g F: 41 g
Scientific name from:
old German: embritz =bunting
and Gr.: calandra =the calandra lark
World Distribution:
Europe, sw Asia, nw Africa
Habitat:
Scrub, grassland, farmland
Diet:
Seeds esp. cereals, also invertebrates in breeding season, mostly in arable fields
TitBit:
The Corn Bunting is so sedentary that individuals only 30km part sing in a different dialect
Population and Distribution
Population Trend:
Regional Trends:
Distribution:
New Atlas )
British Population Size:
Summer:
8500 to 12 thousand territories
in 2000
First Record:
15th Century
[Fossil evidence from
Devensian (last) glaciation, 10-120,000 yr ago]
Habitat Occupancy (in the Breeding Season):
Most frequent in:
Arable Farmland
Relative Frequency in Each Habitat:
European Population Size:
Summer:
7.8 to 21.7 million pairs
(Trend in Numbers )
Birds in Europe
Listed on the Appendices/Schedules of:
Bern(III)
Survey Results:
Breeding and Survival
Egg Size:
24 x 18 mm
Egg Weight:
3.9 g (of which 5 % is shell)
Number of Nest Records:
37
(more would be welcome!)
Clutch Size:
4 - 5 eggs
4.28 ± 0.80 (2 - 7) N = 304
Incubation:
13 days
12.54 ± 0.43 (12 - 14) N = 304
by the:
Female
Fledging:
11 - 13 days
11.69 ± 1.43 (10 - 14) N = 402
as:
Altricial, downy
Source:
British Trust for Ornithology (2005) Nest Record Scheme data
First Clutches Laid:
16 Jun (21 May - 21 Jul)
Number of Broods:
1-3
Trends in Breeding Productivity
Number Ringed:
185
Adult Survival:
0.58
Juvenile Survival:
No data
Age at First Breeding:
Typical Lifespan:
No data
Maximum Recorded Age:
7yr4m
(Spain: 9yr 1m)
Biometrics
Ring Size:
B+
Wing Length
Sexually dimorphic (male much larger than female)
Male:
101.2 ± 2.4
97 - 105 mm, N =249
Female:
91.6 ± 2.2
88 - 95 mm, N =265
Weight
Sexually dimorphic (male much larger than female)
Male:
52.70 ± 3.88
47.00 - 59.00 g , N =182
Female:
42.53 ± 2.86 .
37.40 - 47.30 g , N =198
Source:
British Trust for Ornithology (2005) Ringing Scheme data
Other Names
Previously Miliaria calandra
Gaelic:
Gealag-bhuachair
Welsh:
Bras yr Yd
Danish:
Bomlærke
Dutch:
Grauwe gors
Finnish:
Harmaasirkku
French:
Bruant proyer
German:
Grauammer
Hungarian:
Sordély
Icelandic:
Korntittlingur
Irish:
Gealóg Bhuachair
Italian:
Strillozzo
Norwegian:
Kornspurv
Polish:
Potrzeszcz
Portuguese:
Trigueirão
Spanish:
Triguero
Swedish:
Kornsparv
Local Names: Common Bunting / Horse Lark
For More Information...
Books and Monographs:
Harper, D.. 1995 Studies of West Palearctic birds: Corn Bunting British Birds 88:401-421
See Also:
BirdFacts home | BTO Home birdfacts@bto.org These data should be cited as:
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