K.E.L. Simmons

Handbook of the birds of Europe, the Middle East and North Africa. The birds of the Western Palearctic: 3. Waders to gulls

M. Wilson, N. Collar, E. Dunn, 1984 .

Seabird conservation and feral cats on Ascension Island, South Atlantic

N. P. Ashmole, N. Ashmole, M. Ashmole, 1994 .