but would be a 1stfor the North Atlantic! Its a pity we don't know what the underparts look like -except they look rather dark.
http://www.thebirdguide.com/pelagics/images/100317806-O_Gilliam.jpg
I've been looking for dark morph Pink-FS with white throats or pale morph with dark under tails - the above is my best yet.
Accepting that they are the same bird, its really quite scary how different it appears in these two photos!