|
|
| (13 intermediate revisions by the same user not shown) |
| Line 1: |
Line 1: |
| − | :''For the Canadian outerwear manufacturer '''Canada Goose''' see [[Canada Goose (clothing)]]''
| + | Canadian geese can kiss my yellow but |
| − | | |
| − | {{Taxobox
| |
| − | | color = pink
| |
| − | | name = Canada Goose
| |
| − | | status = {{StatusLeastConcern}}
| |
| − | | image = Branta-canadensis-004.jpg
| |
| − | | image_width = 240px
| |
| − | | regnum = [[Animal]]ia
| |
| − | | phylum = [[Chordate|Chordata]]
| |
| − | | classis = [[bird|Aves]]
| |
| − | | ordo = [[Anseriformes]]
| |
| − | | familia = [[Anatidae]]
| |
| − | | genus = '''''[[Branta]]'''''
| |
| − | | species = '''''B. canadensis'''''
| |
| − | | binomial = ''Branta canadensis''
| |
| − | | binomial_authority = ([[Carolus Linnaeus|Linnaeus]], [[1758]])
| |
| − | | subdivision_ranks = [[Subspecies]]
| |
| − | | subdivision =
| |
| − | * ''B. c. occidentalis'' <small>([[Dusky Canada Goose]])</small>
| |
| − | * ''B. c. fulva'' <small>([[Vancouver Canada Goose]])</small>
| |
| − | * ''B. c. parvipes'' <small>([[Lesser Canada Goose]])</small>
| |
| − | * ''B. c. moffitti'' <small>([[Moffitt's Canada Goose]])</small>
| |
| − | * ''B. c. maxima'' <small>([[Giant Canada Goose]])</small>
| |
| − | * ''B. c. interior'' <small>([[Interior Canada Goose]])</small>
| |
| − | * ''B. c. canadensis'' <small>([[Atlantic Canada Goose]])</small>
| |
| − | }}
| |
| − | | |
| − | The '''Canada Goose''' (''Branta canadensis''), colloquially '''Greater Canada''' in [[North America]], belongs to the ''[[Branta]]'' [[genus]] of [[goose|geese]], which contains [[species]] with largely black plumage, distinguishing them from the grey ''[[Anser (genus)|Anser]]'' species. The species name, ''canadensis'', is a [[New Latin]] word meaning "of Canada".
| |
| − | | |
| − | Commonly, reference is made to these birds with the words "Canadian Geese", but the word "Canadian" is incorrect. The proper terms are always "Canada Goose" and "Canada Geese".
| |
| − | | |
| − | ==Appearance==
| |
| − | The black head and neck with white "chinstrap" distinguish this goose from all except the [[Barnacle Goose]], but the latter has a black breast and grey, rather than brownish, body plumage. There are 7 [[subspecies]] of this bird, of varying sizes and plumage details, but all are recognizable as Canada Geese. Some are hard to distinguish from the [[Cackling Goose]] (''Branta hutchinsii''), with which the Canada Goose was long assumed to form one species, and the name Lesser Canada Goose is, confusingly, often applied to ''B. hutchinsii''.
| |
| − | | |
| − | This species is 90-100 cm long with a 160-175 cm wing span. Males weigh 3.5–6.5 kg, (8–14 pounds ), and can be very aggressive in defending territory. A pair may mate for life (around 20 years). The female looks virtually identical but is slightly lighter at 3–5.5 kg (7–12 pounds), and has a different honk.
| |
| − | | |
| − | ==Behavior and Habitat==
| |
| − | These birds feed mainly on plant material. When feeding in water, they submerge their heads and necks to reach aquatic plants, sometimes tipping forward like a [[dabbling duck]]. Flocks of these birds often feed on leftover cultivated grains in fields, especially during migration or in winter.
| |
| − | | |
| − | During the second year of their lives, Canada Geese find themselves a mate. The couple stays together all of their lives, but if one is killed, the other may find a new mate. The female lays 4-8 eggs and both parents protect the nest while the eggs incubate, but the female spends more time at the nest than the male. During that time, they lose their flight feathers, so that they cannot fly until after their eggs hatch. This period lasts for 25-28 days.
| |
| − | | |
| − | Adult geese are often seen leading their goslings in a line with one parent at the front, and the other at the back of the "parade". While protecting their young, parents often violently chase away nearby creatures, from small blackbirds to other geese, to humans that approach. However, geese may form groups of a number of goslings and a few adults, called crèches. The young do not leave their parents until after the spring migration, when they return to their birthplace.
| |
| − | | |
| − | This well-known species is native to [[North America]]. It breeds in [[Canada]] and the northern [[United States|USA]] in a variety of habitats. However, the nest is usually located in an elevated area near water, sometimes on a [[American Beaver|beaver]] lodge. The eggs are laid in a shallow depression lined with plant material and down. The [[Great Lakes]] region maintains a very large population of Canada Geese.
| |
| − | | |
| − | Like most geese, it is naturally [[bird migration|migratory]], the wintering range being most of the USA. The calls overhead from large groups of Canada Geese flying in V-shaped formation signal the transitions into spring and fall. In some areas, migration routes have changed due to changes in habitat and food sources. In mild climates, such as the Pacific Northwest, due to a lack of former predators, some of the population has become non-migratory.
| |
| − | | |
| − | Some migratory populations in temperate climates frequent cities as well, due to convenient, predator-free open spaces. These birds are considered by many to be a nuisance, mainly because of the large volume of [[feces]] they produce, and like other water fowl, they also frequently walk with their young across roads, creating traffic tie-ups. Some cities have begun extermination programs against them. Other solutions have included relocation and the use of a substance to coat the eggs to prevent maturation and hatching. Many geese are also killed in collisions with automobiles and, occasionally, aircraft.
| |
| − | | |
| − | ==Other Locations==
| |
| − | Canada Geese have reached western [[Europe]] naturally, as has been proved by [[Bird ringing|ringing recoveries]]. The birds are of at least the subspecies ''parvipes'', and possibly others. Canada Geese are also found naturally on the [[Kamchatka Peninsula]] in eastern [[Siberia]], eastern [[China]], and throughout [[Japan]].
| |
| − | | |
| − | [[Image:Audubon-CanadaGoose.jpg|thumb|left|Branta canadensis, by [[John James Audubon]]]]
| |
| − | | |
| − | Greater Canada Geese have also been widely introduced in Europe, and have established feral populations in [[Great Britain]], [[The Netherlands]], and [[Scandinavia]]. Semi-tame [[feral]] birds are common in parks, and have become a pest in some areas. It is now proven that most Scandinavian and some British birds have established a migration pattern. The geese were first introduced in the [[United Kingdom]] as an addition to [[James II of England|King James II]]'s waterfowl collection in [[St. James's Park]].
| |
| − | | |
| − | By the early [[20th century]], over-hunting and loss of habitat in the late 1800s and early 1900s had resulted in a serious decline in the numbers of this bird in its native range. The Giant Canada Goose subspecies was believed to be extinct in the 1950s until, in 1962, a small flock was discovered wintering in [[Rochester, Minnesota]] by Harold Hanson of the Illinois Natural History Survey. With improved game laws and habitat recreation and preservation programs, their populations have recovered in most of their range, although some local populations, especially of the subspecies ''occidentalis'', may still be declining. They have adapted well to urban environments, especially those with well-trimmed lawns and large ponds, such as [[golf]] courses and city parks.
| |
| − | | |
| − | ==The Canada Goose, the Cack Goose, and subspecies==
| |
| − | The [[Cack Goose]] was originally considered to be the same species or a subspecies of the Canada Goose, but in July 2004 the [[American Ornithologists' Union]]'s Committee on Classification and Nomenclature split the two into two species, making Cack Goose into a full species with the scientific name ''Branta hutchinsii''. The [[British Ornithologists Union]] followed suit in June 2005.
| |
| − | | |
| − | The AOU has divided the many associated [[subspecies]] of both animals:
| |
| − | | |
| − | *Canada Goose (also known as Greater Canada Goose)
| |
| − | **Atlantic Canada Goose (''Branta canadensis canadensis'')
| |
| − | **Interior Canada Goose (''Branta canadensis interior'')
| |
| − | **Giant Canada Goose (''Branta canadensis maxima'')
| |
| − | **Moffit's Canada Goose (''Branta canadensis moffitti'')
| |
| − | **Vancouver Canada Goose (''Branta canadensis fulva'')
| |
| − | **Dusky Canada Goose (''Branta canadensis occidentalis'')
| |
| − | **part of "Lesser complex" (''Branta canadensis parvipes'')
| |
| − | | |
| − | *Cack Goose (also known as Lesser Canada Goose or Small Canada Goose)
| |
| − | **Richardson's Cackling Goose (''Branta hutchinsii hutchinsii'')
| |
| − | **Bering Cackling Goose (''Branta hutchinsii asiatica'') {{StatusExtinct|when=c.[[1929]]}}
| |
| − | **Aleutian Cackling Goose (''Branta hutchinsii leucopareia'')
| |
| − | **Small Cackling Goose (''Branta hutchinsii minima'')
| |
| − | **part of "Lesser complex" (''Branta hutchinsii taverneri'')
| |
| − | | |
| − | The distinctions between the two geese have led to a great deal of confusion and debate among ornithologists. This has been aggravated by the overlap between the small types of Canada Goose and larger types of Cackling Goose. The old "Lesser Canada Goose" was believed to be a partly [[hybrid]] population, with the birds named ''taverneri'' considered a mixture of ''minima'', ''occidentalis'' and ''parvipes''. In addition, it has been determined that the [[Barnacle Goose]] is a derivative of the Cackling Goose lineage, whereas the [[Hawaiian Goose]] is an insular representative of the Canada Goose.
| |
| − | | |
| − | == External links ==
| |
| − | *ARKive - [http://www.arkive.org/species/ARK/birds/Branta_canadensis/ images and movies of the Canada goose ''(Branta canadensis)'']
| |
| − | *Stackhouse, Mark. "The New Goose." [http://www.utahbirds.org/RecCom/NewGoose.htm]
| |
| − | *Angus, Wilson. "Identification and range of subspecies within the Canada and Cackling Goose Complex (''Branta canadensis'' & ''B. hutchinsii'')." [http://www.oceanwanderers.com/CAGO.Subspecies.html]
| |
| − | *Moser, Timothy J., Craven, Scott R. and Miller, Brian K. "Canada Geese in the Mississippi Flyway: A Guide for Goose Hunters and Goose Watchers" [http://www.ces.purdue.edu/extmedia/FNR/FNR-129.html]
| |
| − | *[http://www.rspb.org.uk/birds/guide/c/canadagoose/index.asp RSPB A to Z of UK Birds]
| |
| − | | |
| − | ==See also==
| |
| − | {{commons|Branta canadensis}}
| |
| − | *The Canada Goose was depicted on the 1986 series [[Canadian dollar|Canadian $100 note]].
| |
| − | *Photo of a Canada Goose avoiding a snapping turtle at [[predator]].
| |
| − | *The [[1996]] movie ''[[Fly Away Home]]'' was about a young girl who finds and raises a brood of orphaned Canada Goslings and attempts to get them to migrate after the birds reach adulthood.
| |
| − | | |
| − | <gallery>
| |
| − | image:Flock_of_Canada_geese.jpg|A flock of Canada geese
| |
| − | image:CanadaGoslingRotherhithe.jpg|Canada Goose and gosling
| |
| − | image:Canadian Geese2.jpg
| |
| − | image:Canadian Geese3.jpg
| |
| − | image:Canadian Geese4.jpg
| |
| − | image:canadagoose03192006.JPG
| |
| − | image:Canadgoose03192006.JPG
| |
| − | Image:CanadaGooseGosling.jpg
| |
| − | Image:Staten Island 142.jpg
| |
| − | Image:Canadian geese at C and O canal.jpg|A flock of Canada geese at the [[C&O Canal]]
| |
| − | Image:Canadageeseatlake.jpg
| |
| − | Image:Canada Goose - Cary, North Carolina (2004).jpg|Canada goose in the winter habitat in [[North Carolina]]
| |
| − | </gallery>
| |
| − | | |
| − | [[Category:Branta]]
| |
| − | [[Category:Geese]]
| |
| − | [[Category:Heraldic birds]]
| |
| − | [[Category:Migratory birds (Western hemisphere)]]
| |
| − | | |
| − | [[bg:Канадска гъска]]
| |
| − | [[cy:Gŵydd Canada]]
| |
| − | [[da:Canadagås]]
| |
| − | [[de:Kanadagans]]
| |
| − | [[eo:Kanada ansero]]
| |
| − | [[fr:Bernache du Canada]]
| |
| − | [[ik:Iqsrabutilik]]
| |
| − | [[lt:Kanadinė berniklė]]
| |
| − | [[nl:Grote Canadese gans]]
| |
| − | [[ja:カナダガン]]
| |
| − | [[pl:Bernikla kanadyjska]]
| |
| − | [[sl:Kanadska gos]]
| |
| − | [[fi:Kanadanhanhi]]
| |
| − | [[sv:Kanadagås]]
| |
| − | [[tr:Kanada kazı]]
| |
| − | [[zh:加拿大雁]]
| |
