Page:Popular Science Monthly Volume 63.djvu/332

328, the actuating motive of the other terns. There are many small rookeries of these beautiful creatures scattered over the island; one in particular is in a very picturesque rocky nook at the south end.

Two species of noddy terns are abundant, and much alike, except in size, being sooty brown with a grayish white cap.

Large colonies of man-o-war birds were nesting on the tops of low bushes. These are among the most accomplished and graceful fliers