We are particularly awed by two of the orcas' showstopper stunts─when they spy hop (lift their heads out of water to loo这些虎鲸的两项精彩绝技尤其令人震撼，也就是牠们的「浮窥」（把头抬出水面张望）和「挑尾」（用尾鳍底部拍打水面）。