1. Jaramillo, A. (2003). A Field Guide to the Birds of Chile Including the Antarctic Peninsula, the Falkland Islands and South Georgia. Christopher Helm, London, UK.
2. Murphy, R. C. (1936) Oceanic birds of South America. Volume 2. American Museum of Natural History, New York, NY, USA.
3. Brooke, M. (2004). Albatrosses and Petrels Across the World. Oxford University Press, Oxford, UK.
4. Howell, S. N. G. (2012) Petrels, albatrosses, and storm-petrels of North America. Princeton University Press, Princeton, New Jersey.
5. Pyle, P. (2008). Identification Guide to North American Birds, Part II: Anatidae to Alcidae. Slate Creek Press, Point Reyes Station, California, USA.