Or C, male umbrella birds have elaborate feathers to display to females.

或者 C，雄性伞鸟有精美的羽毛以向雌性展示。

Finally, the correct answer is C. In umbrella birds, the males have amazingly complex feathers that allow them to dance and display to the females, in hopes of finding a mate.

最后，正确答案是 C。在伞鸟中，雄鸟的羽毛非常复杂，可以让它们跳舞并向雌鸟炫耀，以期找到配偶。