Audubon's shearwater ill-resolved clade also including such species as the little shearwater, the Manx shearwater ("P. puffinus") or the black-vented shearwater ("P. opisthomelas"). The little-known Heinroth's shearwater ("P. heinrothi") is sometimes considered a subspecies of either Audubon's or the little shearwater. Though it is likely to be another member of that close-knit group, its actual relationships remain uncertain due to lack of specimens. Audubon's shearwater itself has around 10 subspecies. Several have at one time or another been suggested to constitute separate species. For example, the Galápagos Islands population has turned out to be a very distinct species, the Galápagos shearwater ("P.
Ron Scarlett the New Zealand owlet-nightjar, the Scarlett's duck (which was named by Storrs L. Olson), and the Hodgens' waterhen. The Scarlett's shearwater ("Puffinus spelaeus") described in 1994 by Richard N. Holdaway and Trevor H. Worthy is named in his honour too. Ron Scarlett belong to the founders of the New Zealand Archaeological Association which was established in 1954. He was also a member of the Ornithological Society of New Zealand where he has frequently written contributions for the quarterly scientific journal, "Notornis". In 1996 he was awarded an MBE for his services to science. Scarlett died at age 91 on 9