Whistling Swan
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Whistling Swan

Summary:


Literature

Title
The condition of Bewick’s Swans Cygnus columbianus bewickii in winter as assessed by their abdominal profiles.
Author(s): Bowler J.M.
Abstract: An Abdominal Profile (AP) scale was developed to assess body condition of Bewick’s Swans in the field. Change in AP score for individual birds correlated significantly with change in their body mass; moreover AP was significantly correlated with cond..[more]..
Source: ARDEA 82 (2): 241-248.
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Title
Speed of spring migration of Tundra Swans Cygnus columbianus in accordance with income or capital breeding strategy?
Author(s): Nolet B.A.
Abstract: Large migratory birds may bring along stores in order to survive adverse conditions and produce a clutch upon arrival (‘capital breeders’) or they may acquire all the necessary resources on the breeding grounds (‘income breeders’). Whether birds are ..[more]..
Source: ARDEA 94 (3): 579-591.
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Title
The influence of social interactions on the foraging path of Bewick’s Swans Cygnus columbianus bewickii.
Author(s): Klaassen R.H.G., Nolet B.A. & Bankert D.
Abstract: The efficiency in which high-density food patches are found is determined by the way foragers move between patches. In this study we explore the effect of social interactions on the foraging path, in particular the distance moved between patches. We ..[more]..
Source: ARDEA 94 (3): 477-484
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