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1by 久野, 真純“.... The Ural owl is a forest-dwelling species and is categorized as a Near-Threatened Species in the Red List...”
Published 2023
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2“... threatening call, aggressive-attacking call, courting call, and mating call. The sound frequency...”
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3by Masahiro AOYANAGI“... preening collecting nest stones fighting feeding and protective threatening against skuas. 3. The midday...”
Published 1973
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4“... preening collecting nest stones fighting feeding and protective threatening against skuas. 3. The midday...”
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5by 醍醐, 龍馬“... enclaves could threaten Japanese sovereignty. Undaunted, K. V. Struve, the Russian minister in Japan, tried...”
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Article in Journal/Newspaper