Migration route and wintering area of Tundra Swans Cygnus columbianus nesting in the Kobuk-Selawik Lowlands, North-West Alaska

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Jack E Moermond
Michael A Spindler

Abstract

Tundra Swans were marked with colour-coded neck collars (n=115) on their nesting grounds in the Kobuk-Selawik lowlands of north-west Alaska during late summer 1984-1989. Resightings of 62 individual swans were obtained in Alaska, four Canadian provinces and eight states in western United States (US) during 1984-96. Observations of Kobuk-Selawik Tundra Swans occurred along a narrow route through Alaska and the Yukon Territory, and along two trans-Rocky Mountain routes, before narrowing to their wintering grounds in north-central California, primarily the Sacramento Valley. Repeated observations of several marked swans indicated traditional use of the same migration stop-over sites and wintering areas during successive years. Occasionally, Tundra Swans marked in north-west Alaska mixed with swans of the Eastern population during migration and in winter.

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How to Cite
Moermond, J. E., & Spindler, M. A. (1997). Migration route and wintering area of Tundra Swans Cygnus columbianus nesting in the Kobuk-Selawik Lowlands, North-West Alaska. Wildfowl, 16–25. Retrieved from https://tidsskrift.dk/Wildfowl/article/view/154103
Issue
Wildfowl 48
Section
Standard Papers

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