Mangoverde :: World Bird Guide :: Boobies and Gannets :: Masked Booby

Masked Booby Sula dactylatra

Described by: Lesson (1831)
Alternate common name(s): Blue-faced Booby, White Booby, Tasman Booby
Old scientific name(s): None known by website authors


Hospital Key, Dry Tortugas, Florida, USA - Apr 14, 2005 © Dennis Paulson  French Frigate Shoals, Northwest Hawaiian Islands, Hawaii, USA - Sep 28, 2006 © Cory Gregory 
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Pantropical; C. Atlantic Ocean, Indian Ocean and Pacific Ocean;
(1) Se. United States (Florida Keys at the Dry Tortugas), West Indies (Bahamas, sw. Jamaica, Puerto Rico, Virgin Is., and the Lesser Antilles off Anguilla and in the Grenadines), Mexico (n. Yucatan), Belize, Honduras, n. Colombia (Malpelo is. off Pacific coast and Los Monjes Is. in Caribbean), Venezuela (Islas Aves e. to Los Hermanos), Guyana, Brazil (Bahia, Rio de Janeiro and Fernando de Noronha Is.) and Ascension Is.
(2) Gulf of Guinea and off of e. Africa n. of 10S off Cameroon. S. Red Sea (Haycock Is.), Gulf of Aden (Mait and Kal Farun Is.), Sudan, Ethiopia, Eritrea, Somalia (Jazirat Sabuniya), Socotra Is., Kenya (Pemba Channel, August to February) and Tanzania, Latham Is. s. of Zanzibar, Kuria Muria Is. off s. Oman to w. India, Sri Lanka, Latham, Amirante, Aldabra and Assumption Is., the Seychelles and Mascarenes.
(3) Malaya, Indochina, Java, many small is. in the sw. Coral Sea, Lesser Sundas (Gunungapi Is.), Cocos Is. (Keeling Is.), Christmas Is., Philippines, is. in the Sulu Sea (Tubbataha Reef), Ryukyu Is., Marianas (Tinian), Hawaiian Is. (Kure e. to Kaula Rock off Niihau and Moku Manu off Oahu), Marshall, Kiribati, Fiji, Samoa, Pitcairn, Tuamotu, Marquesas, Society, Cook and Kermadec Is. and Sala-y-Gomez.
(4) Ne. Australia (is. in Torres Strait, Michaelmas Cay off Cairns and is. off se. Queenslands), Norfolk and Lord Howe Is., which is the southern-most colony in the world.
(5) Alijos Rocks, Revillagigedos Is. and Clipperton Is. off w. Mexico (Baja). (?) Juan Fernandez Is. off Chile. Seems to also occur off the coast of Chile s. to San Ambrosio and San Felix. Ranges widely in tropical Oceans.
North America n. of Mexican border
Summer and winter: TEX, LOU, MIS, ALA, FLA (Dry Tortugas in the Keys and off the Gulf of Mexico coasts).


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


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