摘要：Red-footed Booby (Sula sula) is a rare shore bird in Costa Rica. Here we report the first sightings of this species on Costa
Rica¡¯s North Pacific and Caribbean coasts. We also suggest how the open-sea storms may be related with the sightings of
this species at shore.
关键词：Costa Rica, Caribbean Sea, North Pacific, Red-footed Booby, Sula sula.
