Procellariiformes

Procellariiformes is an order of seabirds that comprises four families: the albatrosses, petrels and shearwaters, storm petrels, and diving petrels. They are almost exclusively pelagic (feeding in the open ocean), and have a cosmopolitan distribution across the world's oceans, with the highest diversity being around New Zealand. For more information, visit the Wikipedia entry. Get back to Aves
Black-browed albatross	Laysan albatross	Short-tailed albatross
Wandering albatross	Waved albatross	Streaked shearwater