Dietary Compositions and Their Seasonal Shifts in Japanese Resident Birds, Estimated from the Analysis of Volunteer Monitoring Data

Open Access

Peer-reviewed

Research Article

Tetsuro Yoshikawa ,

* E-mail: yoshikawa.tetsuro@gmail.com

Affiliation Department of Forest Vegetation, Forestry and Forest Products Research Institute, Tsukuba, Japan
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Yutaka Osada

Affiliation Laboratory of Biodiversity Science, Graduate School of Agriculture and Life Science, The University of Tokyo, Tokyo, Japan
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Birds
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Diet
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Stomach
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Foraging
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Trophic interactions
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Fruits
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Seeds
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Vertebrates
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