A bent twig it seems it's just the thing.
這根稻草看起來正是它要找的。
A few more of them now have a nest, if you can call it that, ready for their single chick.
再來幾根,就是一個像樣的巢了。如果那也叫巢的話,它們這是在為自己的唯一幼雛做準備。
Noddies are devoted partners and often remain together season after season.
白頂玄燕鷗是非常恩愛的伴侶,通常會結伴很久。
Beneath the waves, the summer warmth trigers fish to court.
在水中,魚群的交配同樣開始了。
And bicolor parrotfish, a large male leads a tender, underwater ballet to woo a partner.
雙色鸚鵡魚中,大個頭的雄性以領舞的方式向雌魚求愛。
The urge to breed spreads across the reef.
大堡礁到處都是繁殖的場面。
These are surgeonfish.
這是一群刺尾魚。
Single females dart to the surface, pursued by groups of competing males.
每當一個雌魚沖向水面,一群雄魚競相環繞著雌魚。
As each female releases her eggs, the males race to fertilize them with a path of the white sperm.
在雌魚向水面排卵的剎那,雄性同時噴出白霧般的精子來給卵子受精。