羽は音おと

noun

flapping sound; buzz; hum

The sound of wings flapping or insects buzzing; covers both birds and insects.

• 鳥とりの羽は音おとが聞きこえた。

  I heard the flapping sound of a bird's wings.

• 蜂はちの羽は音おとがうるさい。

  The buzzing of the bees is annoying.

noun

whizz; whoosh

The sound of a flying arrow; a more specific, somewhat literary use.

• 矢やの羽は音おとが風かぜを切きった。

  The arrow whizzed through the air.