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An isolated population of small Canada geese on Kaliktagik Island, Alaska

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Product Type: Journal Article

Year: 1983

Authors: Hatch, S. A. and M. A. Hatch


Suggested Citation:
Hatch, S. A. and M. A. Hatch. 1983. An isolated population of small Canada geese on Kaliktagik Island, Alaska. Wildfowl 34:130-136.

Abstract


Some 50-60 Canada Geese (Branta canadensis) inhabit Kaliktagik Island, Alaska, in summer (late April to mid-September); in 1980 the corresponding population size was 80-90 adults and young on the wintering area in Oregon. The birds are morphologically intermediate between subspecies leucopareia and taverneri. They are ecologically distinctive for their use of a nesting environment which is unlike that used by any other Canada Geese escept those on Buldir Island, 1800 km west. These facts, together with historical records, suggest this population is a remnant one, possibly representing the eastern margin of a former continuum of island populations extending from the western Gulf of Alaska to the Commander and Kurile Islands of the Soviet Union.

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