An up-to-date analysis of avian distribution and occurrence in this remote archipelago, including an inventory of archived avian specimens, references to published and archived photographs, a list of species reported but not substantiated, a gazetteer, and color plates illustrating habitats and endemic taxa. This is the first in the new Series in Ornithology, avian monographs published jointly by the Nuttall Ornithological Club - the oldest natural history society in North America - and the American Ornithologists' Union - the largest ornithological society in the world.