WGadfly petrel
WAtlantic petrel
WBarau's petrel
WBermuda petrel
WBlack-capped petrel
WBlack-winged petrel
WBonin petrel
WChatham petrel
WCollared petrel
WCook's petrel
WDe Filippi's petrel
WFea's petrel
WGalápagos petrel
WGould's petrel
WGreat-winged petrel
WGrey-faced petrel
WHawaiian petrel
WHenderson petrel
WHerald petrel
WJamaican petrel
WJuan Fernández petrel
WKermadec petrel
WMagenta petrel
WMottled petrel
WMurphy's petrel
WProvidence petrel
WPycroft's petrel
WSoft-plumaged petrel
WStejneger's petrel
WTrindade petrel
WWhite-headed petrel
WWhite-necked petrel
WZino's petrel