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オナガガモの渡り論文出てました。餌付けとの関連は?→Habitat use and movement patterns of Northern Pintails during spring in northern Japan... http://t.co/BRqIkAsy
オナガガモの渡り論文出てました。餌付けとの関連は?→Habitat use and movement patterns of Northern Pintails during spring in northern Japan... http://t.co/BRqIkAsy