1. Bostwick, K. S., and M. J. Brady (2002). Phylogenetic analysis of wing feather taxis in birds: Macroevolutionary patterns of genetic drift? Auk 119:943–954.
2. Murphy, R. C. (1936) Oceanic birds of South America. Volume 2. American Museum of Natural History, New York, NY, USA.
3. Cramp, S., and K. E. L. Simmons, Editors (1977). The Birds of the Western Palearctic. Volume 1. Ostrich to Ducks. Oxford University Press, Oxford, UK.
4. Palmer, R. S., Editor (1962). Handbook of North American Birds. Volume 1: Loons Through Flamingos. Yale University Press, New Haven, CT, USA.
5. Lee, D. S. (1995b). Pelagic ecology of the Manx Shearwater Puffinus puffinus off the southeastern United States of America. Marine Ornithology 23 (2):107-119.