Hydrobates - It breeds on inaccessible islands in the north Atlantic and western Mediterranean, with the core population in western Ireland, northwest Scotland and the Faroe Islands, where the worldwide biggest colony breeds on the island of Nólsoy.
Nesofregetta - The Polynesian Storm-petrel is a species of seabird in the Hydrobatidae family.
Pelagodroma - The White-faced Storm-petrel breeds on remote islands in the south Atlantic, such as Tristan da Cunha and also Australia and New Zealand.