Scientific Name: | Branta canadensis occidentalis (S.F. Baird, 1858) | ||||||||||
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English Name: | Canada Goose, occidentalis subspecies | ||||||||||
Classification / Taxonomy | |||||||||||
Scientific Name - Concept Reference: | American Ornithologists' Union (AOU). 1957. The AOU check-list of North American birds, 5th ed. Port City Press, Inc., Baltimore, MD. 691 pp. | ||||||||||
Classification Level: | Subspecies | ||||||||||
Species Group: | Vertebrate Animal | ||||||||||
Species Code: | B-CAGO-OC | ||||||||||
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Conservation Status / Legal Designation | |||||||||||
Global Status: | G5T3 (Apr 2016) | ||||||||||
Provincial Status: | S2M (Jan 2009) | ||||||||||
BC List: | Red | ||||||||||
Provincial FRPA list: | |||||||||||
Provincial Wildlife Act: | |||||||||||
COSEWIC Status: | |||||||||||
SARA Schedule: | |||||||||||
General Status Canada: | |||||||||||
Migratory Bird Convention Act: | |||||||||||
Ecology & Life History | |||||||||||
General Description: | |||||||||||
Migration Characteristics: (Global / Provincial) | |||||||||||
Nonmigrant: Local Migrant: Distant Migrant: Within Borders Migrant: |
N / N / N / na / |
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Habitats: (Type / Subtype / Dependence) |
Agriculture / Cultivated Field / Facultative - frequent use
Agriculture / Hedgerow / Facultative - frequent use Agriculture / Pasture/Old Field / Facultative - frequent use Grassland/Shrub / Meadow / Facultative - occasional use Ocean / Eelgrass Beds / Facultative - occasional use Ocean / Intertidal Marine / Facultative - frequent use Ocean / Pelagic / Facultative - occasional use Ocean / Sheltered Waters - Marine / Facultative - frequent use Ocean / Subtidal Marine / Facultative - frequent use Other Unique Habitats / Estuary / Facultative - frequent use Wetland / Marsh / Facultative - frequent use |
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Global Habitat Comments: |
Breeds in freshwater marsh with tall shrub vegetative cover. Landscape level: herb graminoid and mixed tree/shrubs landcover classes dominated all 5 breeding-pair density strata (Crouse et al. 1996). Nest site level: Interlevee basins were the most common site used for nesting, followed by levees (Crouse et al. 1996). Low shrub cover or low height forb cover were important components of a nest site in high density nesting strata (Crouse et al. 1996). Winters in farm fields and agricultural wetlands in Washington and Oregon (Bromley 1976, Cline and Lenhart 1985, Campbell 1990). |
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Food Habits: | |||||||||||
Global Food Habits Comments: | |||||||||||
Global Phenology: | |||||||||||
Provincial Phenology: (1st half of month/ 2nd half of month) |
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Colonial Breeder: | N | ||||||||||
Length(cm)/width(cm)/Weight(g): | / / | ||||||||||
Elevation (m) (min / max): |
Global:
Provincial: |
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Distribution | |||||||||||
Endemic: | N | ||||||||||
Global Range Comment: | Breeding occurs on the Copper River Delta near Cordova, Alaska, including Egg Island, Castle Island, and Storey Island. Nonbreeding and molting geese occur in the Bering Glacier area (Eldridge et al. 1997). Wintering occurs primarily in the Willamette Valley of Oregon and along the Columbia River in Washington (Bartonek et al. 1971, Cornely et al. 1988). | ||||||||||
Authors / Contributors | |||||||||||
Global Information Author: | |||||||||||
Last Updated: | Sep 13, 1996 | ||||||||||
Provincial Information Author: | |||||||||||
Last Updated: | |||||||||||
References and Related Literature | |||||||||||
Bromley, R.G., and T.C. Rothe. 2003. Conservation assessment for the dusky Canada goose (Branta canadensis occidentalis Baird). Gen. Tech. Rep. PNW-GTR-591. Portland, OR: U.S. Dep. Agric., For. Serv., Pacific Northwest Research Station. 79pp. |
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Campbell, R.W., N.K. Dawe, I.McT. Cowan, J.M. Cooper, G. Kaiser, and M.C.E. McNall. 1990. The Birds of British Columbia, Vol. 1. Nonpasserines: Introduction, Loons through Waterfowl. Royal B.C. Mus. in association with Environ. Can., Can. Wildl. Serv. 514pp. |
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Crouse, J., D. Youkey, and S. Babler. 1996. Dusky Canada goose nest distribution and abundance on the Copper River Delta, Alaska. Forest Service Report, Cordova Ranger District, Chugach National Forest. 23 pp. |
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Scribner, K.T., J.M. Pearce, B.J. Pierson, S.L. Talbot, and D. Derksen. 1997. Molecular status of the Dusky Canada Goose-genetic assessment of a relocation effort. Paper presentation at the Seventh Alaska Bird Conference, 1-5 December 1997, Anchorage, Alaska. |
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Please visit the website Conservation Status Ranks for definitions of the data fields used in this summary report.
B.C. Conservation Data Centre. 1996. Species Summary: Branta canadensis occidentalis. B.C. Minist. of Environment. Available: https://a100.gov.bc.ca/pub/eswp/ (accessed Jul 27, 2024).