Image from the Biodiversity Heritage Library.
Contributed by American Museum of Natural History.
| www.biodiversitylibrary.org
Transcription
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close resemblance to gannets. Their plumage is white, with the ex-
ception of the primary and secondary feathers of the wings, inferior
portion of the scapulas, and rectrices, or tail feathers, all of which
are black. The naked skin of the cheeks and chin is black; the beak
yellow-blue; the legs blue. Their nests were circular heaps of sand,
raised upon the open plain,