$Pterodroma [hasitata] cahow Sibley & Monroe,1990,Distribution and Taxonomy of Birds of the World ,p.323.
(Kuhl ex Forster 1820)
Marine & highly pelagic,rarely approaching land except at colonies.Breeds mostly in mountainous areas,sometimes well inland,typically occupying cliffs with some vegetation
"Starts Dec." (HBW,1,p.238)
Disperses over tropical and subtropical waters of Caribbean and Antlantic,ranging from northeast Brazil to northeast USA, where it is regular off Cape Hatteras,North Carolina. Two records from Britain,in 1850 & 1984.