另一方面，丽色军舰鸟则在温暖的月份来到墨西哥湾。

Magnificent frigatebirds, on the other hand, move into the Gulf in warm months.

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而另一方面，首先出现喙形结构和最早尾综骨(用于支持羽毛的融合尾椎骨)的孔子鸟与现代鸟类之间几乎不存在什么不一样的地方。

On the other hand, Confuciusornis, which possessed the first beak and earliest pygostyle, or fused tail vertebrae that supported feathers, truly looks like a bird.

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“那一定是啄木鸟，”赫伯特一面说，一面打算走近些。

"That must be a jacamar," said Herbert, trying to get nearer.

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