Sentence:  We saw no Land this day, but saw a great many Snakes and some Whales. We saw also some "Boobies", and <WSD>"Noddy</WSD>-birds"; and in the night caught one of these last. ... The Top or Crown of the Head of this <WSD>"Noddy</WSD>" was Coal-black, having also small black streaks round about and close to the Eyes; and round these streaks on each side, a pretty broad white circle. The Breast, Belly, and under-part of the Wings of this <WSD>"Noddy</WSD>" were white: and the Back and upper-part of its Wings of a faint black or smoak Colour. 
Meaning of the word marked with <WSD> tags:  Any of several stout-bodied, gregarious terns of the genera "Anous" and "Procelsterna", found in tropical seas.