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Very little is known about this species of petrel. First described in 1949, it was not until the 1980s that it was determined that these petrels might be regular visitors far offshore of North America. It occurs in the South Pacific, nesting on rocky islets and cliffs off tropical oceanic islands in the Austral, Tuamotu, and Pitcairn island groups. The bird has been recorded off the coast of the Hawaiian Islands and well off the Pacific Coast of the United States and in the southern Gulf of Alaska. Most reports of Murphy's petrels are over 40 miles offshore and the species reportedly has one of the greatest foraging ranges of any breeding seabird
- BirdLife International (2012). "Pterodroma ultima". IUCN Red List of Threatened Species. Version 2013.2. International Union for Conservation of Nature. Retrieved 26 November 2013.
- Sibley, David Allen (2014). The Sibley Guide to Birds. New York: Knopf. p. 71. ISBN 978-0-307-95790-0.
- "Murphy's Petrel". Audubon. 2014-11-13. Retrieved 2017-02-18.
- "Pterodroma ultima (Murphy's Petrel)". www.iucnredlist.org. Retrieved 2017-02-18.
- "National Geographic" Field Guide to the Birds of North America ISBN 0-7922-6877-6
- Seabirds, an Identification Guide by Peter Harrison, (1983) ISBN 0-7470-1410-8
- Handbook of the Birds of the World Vol 1, Josep del Hoyo editor, ISBN 84-87334-10-5
- "National Audubon Society" The Sibley Guide to Birds, by David Allen Sibley, ISBN 0-679-45122-6
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