Summary

Alfred Newton 1911 Encyclopædia Britannica, Volume 24… (1911)

It is a very plain-looking bird, black above and white beneath, and about the size of a pigeon. Some other species are larger, and almost whole-coloured, being of a sooty or dark cinereous hue both above and below. All over the world shearwaters seem to have precisely the same habits, laying their single purely white egg in a hole under ground. The young are thickly clothed with long down, and are extremely fat.
Source: Wikisource

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