雄鸟的头上有明显的白色斑纹。
雄鸟喙呈红色，有别于雌鸟。
The male bird is distinguished from the female by its red beak.
雄鸟的头形有点特别。
雄鸟喙上有一个红点。
雄鸟和雌鸟轮流伏窝。
The male and female birds take turns in sitting on the eggs.
雄鸟有美丽的尾羽。
通常雄鸟体形较大，喙较短。
雄鸟黄色的喙是与雌鸟相区别的主要特征。
雄鸟在雌鸟面前趾高气扬地走着。
根据黄色的羽冠可辨认出雄鸟。
雄鸟鼻包为淡蓝色，雌鸟为肉色。
雄鸟的头上有明显的黑白斑纹。
The male bird has distinctive black and white markings on its head.
欧洲白颊鸟，其雄鸟是亮黄色。
黑鹂在巢中等候其雄鸟归来。
The blackbird sat on the nest waiting for the return of her mate.
那种鸟雄鸟的喙呈橙色，与雌鸟不同。
这些斑点只有在成年的雄鸟身上才能看到。
雄鸟都会通过聆听父亲歌声学会如何唱一首特别的歌谣。
Only the males sing, and they learn a particular song by listening to their fathers.
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.
以歌唱著名的美洲戴菊鸟，其雄鸟有红色头冠。
American kinglet with a notable song and in the male a red crown patch.
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.
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.
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