The subspecies P. l. leucoptera breeds on Cabbage Tree Island in New South Wales, Australia while P. l. caledonicus breeds in New Caledonia and possibly in Vanuatu and on Raivavae in French Polynesia. The Collared Petrel is sometimes regarded as a third subspecies but is often split as a separate species.
The White-winged Petrel is classified as Vulnerable (VU), considered to be facing a high risk of extinction in the wild.
White-winged Petrel is in high population of New Caledonia, but some of them breeding in Australia. White-throated Storm Petrel lives between the islands of South Pacific from New Caledonia to Chile, these two species qualify as Vulnerable due to small number of bleeding ranges and locations. More
White-winged Petrel, reserving "Gould's Petrel" for the nominate race if one splits up this taxa) but that's a different issue, although not unrelated..... = Comments from Stotz: "NO. It is at times like this that I want to abdicate our responsibility for English names. Like I really care what a handful of people refer to an obscure gadfly petrel as. But of course I am going to go on for a page about this. More