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Greater Canada Goose Branta canadensis [Linnaeus, 1758]
Other Names
Trends & Distribution
Breeding & Survival
Biometrics
Books & Links
Order:
Anseriformes
Family:
Anatidae
BTO Codes:
CG, CANGO
EURING No:
1660
Number in Britain:
82 thousand adults (Summer)
Conservation Status:
UK:
Not Assessed
European:
Not a species of concern
Global:
Least Concern
Links to: Images
Videos
Sound
Status in UK:
(C2) Introduced Breeder
Subspecies:
canadensis recorded in Britain (of 6 subsp. in the world)
.
Length:
95 cm
Wingspan:
168 cm
Weight:
M/F: 4.6 kg
Scientific name from:
ON: brandgas =burnt goose
and after Canada
World Distribution:
N America, INTRODUCED: n&w Europe, New Zealand
Habitat:
Marsh, meadows, lakes & tundra, also estuaries
Diet:
Plant material, incl. roots, tubers, shoots, leaves, mostly grazing on land
TitBit:
Originally introduced to Britain in St James Park, London in the mid 17th century, they are reputedly amongst the most inedible of birds
Population and Distribution
Population Trend:
Regional Trends:
Distribution:
New Atlas )
British Population Size:
Summer:
82 thousand adults
in 1999
Winter:
82 thousand individuals
in 1999
First Record:
1676
First Breeding Record:
Introduced Hampshire 1890
Conservation Status:
Previous Assessments:
2002-2007
Not Assessed
1996-2001
Not Assessed
Races of Concern:
Habitat Occupancy (in the Breeding Season):
Most frequent in:
Lakes
Also common in:
Ponds
Relative Frequency in Each Habitat:
European Population Size:
Summer:
2500 to 10 thousand pairs
Listed on the Appendices/Schedules of:
WCA(II,IX), WBD(II*)Bern(III), Bonn(II)
Breeding and Survival
Egg Size:
86 x 58 mm
Egg Weight:
163.0 g (of which 11 % is shell)
Number of Nest Records:
200
Clutch Size:
5 - 7 eggs
Incubation:
28- 30 days
by the:
Female
Fledging:
40 - 48days
as:
Precocial, downy
First Clutches Laid:
Unavailable
Number of Broods:
1
Trends in Breeding Productivity
Number Ringed:
2038
Adult Survival:
0.724
± 0.006
Juvenile Survival:
0.759 (in First-Year)
Age at First Breeding:
3
years
Typical Lifespan:
6
years
Maximum Recorded Age:
27yr 4m
Biometrics
Ring Size:
L*
Wing Length
Adult:
518.7 ± 33.4
Range
457 - 555 mm, N =56
Juvenile:
Insufficient Data.
Male:
541.0 ± 20.5
498 - 555 mm, N =24
Female:
505.7 ± 15.4
465 - 515 mm, N =25
Weight
Adult:
3.96 ± 0.56
Range
3.20 - 4.85 kg , N =2917
Juvenile:
2.90 ± 0.50
2.00 - 3.55 kg , N =26
Male:
4.27 ± 0.50
3.60 - 4.95 kg , N =1126
Female:
3.67 ± 0.45 .
3.05 - 4.40 kg , N =1217
Source:
British Trust for Ornithology (2005) Ringing Scheme data
Other Names
Canada Goose
Includes B. hutchinsii
Gaelic:
Gèadh-dubh
Welsh:
Gwydd Canada
Danish:
Canadagås
Dutch:
Canadese gans
Finnish:
Kanadanhanhi
French:
Bernache du Canada
German:
Kanadagans
Hungarian:
Kanadai lúd
Icelandic:
Kanadagæs
Irish:
Gé Cheanadach
Italian:
Oca del Canada
Norwegian:
Kanadagås
Polish:
Bernikla kanadyjska
Portuguese:
Ganso do Canadá
Spanish:
Barnacla canadiense
Swedish:
Kanadagås
For More Information...
Books and Monographs:
Kear, J 2005 Ducks, geese and swans Oxford University Press
[598.48 KEA]
Cabot, D. 2009 Wildfowl Collins, London
See Also:
All About Birds (Cornell Lab of Ornithology)
Gough, G.A. et al. (1998) Patuxent Bird Identification Infocenter
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