- a behavior that ensures the survival of the fittest.
这种行为能够确保最优秀者生存下来 - Courtship.
求爱 - For the flamingos,
对火烈鸟来说 - that means a dance-off...
这就是一场舞蹈比赛 - and it's taken very seriously.
它们对此非常认真 - The judges are extremely fussy.
裁判极为挑剔 - And they need to be
它们需要如此