都市緑地におけるカラスの生息状況に関する研究
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概要
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In order to investigate about the life of Jungle Crows in urban park, investigation of the crows at Institute for Nature Study and Meiji Shrine in 1999. There are three points that was cleared by this study. 1. Many crows eat foods at sunrise. 2. Many crows like the environment that there are many deciduous woods from afternoon to sunset. 3. There are more crows in Winter than in Summer at Institute for Nature Study and Meiji Shrine.
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