WordNet
white-chinned petrel
n. large black petrel of southern seas having a white mark on the chin [syn: Procellaria aequinoctialis]
Wikipedia
White-chinned petrel
The white-chinned petrel or Cape hen, Procellaria aequinoctialis, is a large shearwater in the family Procellariidae. It ranges around the Southern Ocean as far north as southern Australia, Peru and Namibia, and breeds colonially on scattered islands.