一只饥不择食的蜂虎鸟，两头在雪地里相互抵角的长毛野牛，以及在一片原始湖泊中齐舞的鹈鹕们，它们有什么共同点吗？
What do a peckish bee-eater, shaggy bison going head-to-head in snow and pelicans dancing in a pristine lake all have in common?
火烈鸟的求偶舞是大自然最奇怪的景象之一。
One of the strangest sights in nature is the courtship dance of the lesser flamingo.
鸟女士教一支舞。她旋转，跳跃，立着足尖行走！
Miss Bird teaches a dance. She spins. She leaps. She walks on her toes!
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