Book (Practical) Science and nature The Day of the Little Swallows

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Science and Nature
The Most Familiar Migratory Bird to s spring to Japan, the 「 Swallow 」. Introducing the cute figure and ecology of a Swallow that you don't know much about, even though it is close to you! Introducing the figure of a Swallow that you don't know much about, with various photographs. Also, explaining the ecology in an easy-to-understand way, including miscellaneous studies. At the end of the book, there is also an explanation of the Swallow by the ornithologist Dr. Hajime Matsu. This is a new guide for the Swallow.