Journal of the Yamashina Institute for Ornithology
Online ISSN : 1882-0999
Print ISSN : 1348-5032
ISSN-L : 1348-5032
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Bewick's Swans Foraging upon Rhizomes of Sparganium japonicum
Tomokazu WatanabeYasushi Suzuki
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2011 Volume 42 Issue 2 Pages 155-160

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Abstract
We observed Bewick's Swans Cygnus columbianus foraging upon rhizomes of Sparganium japonicum at narrow waterway in rice fields in Shibata City, Niigata Prefecture, in November, 2007.
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© 2011 Yamashina Institute for Ornitology
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