Monroe, Burt L. Jr. (1990): Distribution and taxonomy of the birds of the world. Yale University Press, New Haven, CT. External links Article about the EU LIFE yelkouan shearwater conservation project The EU LIFE Yelkouan Shearwater project - a project with the aim of increasing Malta's population of yelkouan shearwaters yelkouan shearwater Birds of Southern Europe Birds of North Africa yelkouan shearwater yelkouan shearwater