A male bird of paradise may put himself in the limelight by displaying his spectacular plumage in the best stage setting to attract a female.

一只雄性天堂鸟可能会在最佳的场合中展示他华美的羽毛使自己成为关注的焦点，从而吸引雌性。

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The male bird has a red spot on its beak.

雄鸟喙上有一个红点。

《牛津词典》

The male bird has a differently shaped head.

雄鸟的头形有点特别。

《牛津词典》

To read the full DNA sequence of the pigeon, the researchers used a male bird from the Danish Tumbler breed.

BBC: Pigeon DNA gives up fancy secrets

The young male bird, which was dehydrated and starving, is thought to be only the fourth royal penguin to wash up there in more than a century.

BBC: Lost Antarctic Royal penguin found in New Zealand

Whether male or female, the more often a bird deserted its clutches, the more mates it had and the more eggs were laid.

ECONOMIST: Evolutionary biology