雄鸟和雌鸟轮流伏窝。
The male and female birds take turns in sitting on the eggs.
雄鸟喙呈红色，有别于雌鸟。
The male bird is distinguished from the female by its red beak.
雌鸟伏在蛋上直到其孵化。
雄鸟黄色的喙是与雌鸟相区别的主要特征。
唐纳德与雌鸟开始玩起捉迷藏的游戏。
雄鸟在雌鸟面前趾高气扬地走着。
雄鸟鼻包为淡蓝色，雌鸟为肉色。
那种鸟雄鸟的喙呈橙色，与雌鸟不同。
他们还看见雌鸟到处飞，向她的伴侣哭诉。
They saw the mother robin flying about, and crying to her mate.
他们还看见雌鸟到处飞，向她的伴侣哭诉。
They saw the mother robin flyingabout, and crying to her mate.
图中雄鸟正在传递一只野鼠给右侧的雌鸟。
The male in this image is passing a vole to the female on the right.
雄鸟雌鸟都会叫唤，但通常只有雄鸟才唱歌。
While both male and fe male songbirds can call, usually only the male sings.
然后，他箭一般地跑到塔楼的后面，从另一侧跳向雌鸟。
Then he races behind his tower and jumps at her from the other side.
在鸟的繁殖期快要结束的时候，雌鸟离婚的比率就下降了。
Towards the end of the plover breeding season, the rate of female divorce declines.
很多种类的雌鸟都是根据雄鸟唱歌唱得怎么样来选伴侣的。
Female birds in many species choose a partner based on the way they sing.
在千鸟的繁殖期快要结束的时候，雌鸟离婚的比率就下降了。
Towards the end of the plover breeding season, the rate of female divorce declines.
好样的！唐纳德成功地引来一只雌鸟，现在，他需要想办法留住她！
OK, Donald can pull down a Mary. Now he needs to make her stay.
好样的！唐纳德成功地引来一只雌鸟，现在，他需要想办法留住她！
OK, Donald can pull down a Mary. Now he needs to make her stay.
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