Compounds of 飛ぶ鳥

• 飛ぶ鳥
  (n) flying bird
  soaring bird
• 飛ぶ鳥跡を濁さず
  (exp) idiom meaning it is simply common courtesy to clean up after yourself
• 飛ぶ鳥も落とす勢い
  (exp) (id) great vigor
  tremendous energy
  lit: forceful enough to knock down birds in flight
• 飛ぶ鳥を落とす勢い
  (exp) (id) great vigor
  tremendous energy
  lit: forceful enough to knock down birds in flight