Mangoverde :: World Bird Guide :: Storm-Petrels :: Leach's Storm-Petrel

Leach's Storm-Petrel Oceanodroma leucorhoa

Described by: Vieillot (1818)
Alternate common name(s): Leach's Storm Petrel, Leach's Storm-petrel, Socorro Storm Petrel, Socorro Storm-petrel, Leach's Petrel, Fork-tailed Storm-petrel, Leach's Fork-tailed Storm-petrel
Old scientific name(s): None known by website authors


Gulf of Maine SE of Mt. Desert Island, Maine, USA - Jul 26, 2004 © Glen Tepke  Gulf of Maine SE of Mt. Desert Island, Maine, USA - Jul 26, 2004 © Glen Tepke  Pacific Ocean, southwest of Santa Barbara, California, USA - Apr 22, 2006 © Glen Tepke  Pacific Ocean, southwest of Santa Barbara, California, USA - Apr 22, 2006 © Glen Tepke  Dunkerque, Nord, Nord-Pas-de-Calais, France - Sep, 2004 © Ludovic Scalabre 
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C. and n. Pacific Ocean; Atlantic Ocean; Mostly Between 40N and 70N;
Two populations;
(1) Off n. Hokkaido, Japan, Kuril Is., is. off the Kamchatka Peninsula (Commander Is.), Siberia (Shumagin), Aleutians, is. off s. Alaska, w. Canada (British Columbia), w. United States s. to c. California, e. Canada (s. Labrador, Newfoundland, Nova Scotia, New Brunswick, Quebec), e. United States (Casco Bay, Maine and Penikese Is., Massachusetts), s. Greenland, s. Iceland, is. off n. Scotland, Faeroe Is., n. Scotland and n. Norway (Lofoten Is.).
(2) Is. off Baja, w. Mexico (San Benito and Coronados Is., Alijos Rocks).
(3) Is. off Guadalupe Is., w. Baja, Mexico, nests during summer.
(4) Guadalupe Is. off Baja, w. Mexico, nests during winter.
Disperses s. off w. coast of Mexico (w. Baja and w. Jalisco), Guatemala, El Salvador, Nicaragua, Costa Rica, Panama, Galapagos Is., Ecuador, but generally to 15S in e. Pacific and the Hawaiian, Marianas, Marshall, Kiribati (Phoenix, Line), Melanesia and Marquesas Is. in the c. Pacific, Japan and Bonin Is. in the e. Pacific, and the West Indies, Trinidad, Venezuela, Guyana, Surinam, Brazil (Bahia), North Sea, Ireland, France, Spain, Portugal in the Atlantic and off West Africa from Morocco, Mauritana, Senegal, Gambia, Guinea, Sierra Leone, Liberia, Ivory Coast, Ghana, Nigeria, Cameroon, Gabon, Congo, Angola, Namibia to South Africa. Nonbreeding birds may remain in tropical waters over n. summer. In fact, possibly becoming established in s. hemisphere, Rabbit Is., New Zealand and may have nested at Chatham Is. in sw. Pacific.
North America n. of Mexican border
Summer: ALK, BCO (Queen Charlotte and Vancouver Is.), WAS, ORG, CAL (Farallon Is.), LAB, NFD, QUE (Gaspe Peninsula, Bonaventure Is.), NSC, NBR (Grand Manan Is.), MAE, NHP, MAS (Penikese Is.), much less common s. to RID, NYK, (Long Island), NJY, MYD, DEL, VIR and NCA;
Winter: ex. s. CAL.


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Location unknown - Date unknown Source: ETI BioInformatics


Clements, James F. Birds of the World: A Checklist. Vista, CA: Ibis Publishing Company, 2000.


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