I banked left, then right-more of a pigeon than a sooty shearwater but flying all the same.

我时而向左，时而向右——感觉更像一只鸽子而不是黑色的海鸥，但飞起来的感觉都是一样的。

One's ears are more attuned to sounds in the darker hours – the very occasional shriek of a shearwater, the other sounds with no known cause.

在黑暗中，人的耳朵会对声音更敏感——偶尔有海鸥发出尖利的叫声，还有各种来路不明的声音。

I was asked about the identification of Bulwer's Petrel vs. dark morph Wedge-tailed Shearwater whilst in Keelung, and can understand why.

我在基隆演讲时被问到了如何分辨穴鸟与长尾水剃暗色型，而且我可以理解为什么。

On Mexico's Natividad Island, the black-vented shearwater was at risk from the introduction of cats, goats and sheep, but its Numbers are now recovering following an eradication programme.

在墨西哥的纳提维达岛，黑臀鹱正由于猫、山羊以及绵羊的引进而面临威胁，在采取了根除性计划后，其数量已经回升。