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McKean Island

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Title: McKean Island  
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Subject: Kiribati, Howland and Baker islands, Treaty of Tarawa, Island restoration, Carondelet Reef
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McKean Island

Coast of McKean Island

McKean Island is a small, uninhabited island in the Phoenix Islands, Republic of Kiribati. It is located at . Its area is 57 hectares.

Kiribati declared the Phoenix Islands Protected Area in 2006, with the park being expanded in 2008. The 164,200-square-mile (425,300-square-kilometer) marine reserve contains eight coral atolls including McKean Island.[1][2]

Flora and fauna

Colony of lesser frigatebirds on McKean Island

McKean is roughly oval in shape, and less than one kilometre in diameter. It is ringed by a reef flat, with a beach ridge of coral rock and rubble surrounding the rim, rising to five metres above sea level. The centre of the island is depressed, with a shallow, hypersaline, guano-laced lagoon. Treeless, McKean harbours seven herbaceous species of plants, and the world's largest nesting population of lesser frigatebird (Fregata ariel) with up to 85,000 birds. 29 other species of birds have been described as visiting the island. Historically, the only mammal is the Polynesian rat, now exterminated, which suggests pre-historic discovery by Polynesians. There is also a species of gecko that inhabits the island.

McKean has no sources of fresh water, and no freshwater lens.


McKean Island was the first of the Phoenix group to be reported and named. It was discovered May 28, 1794 by the British Capt. Henry Barber, of the ship Arthur, while en route from Botany Bay, New South Wales to the northwest coast of America.[3] Sighting the uninhabited island on 28 May, Captain Barber named it "Drummond's Island", plotting it at 3°40'S, 176°51'W.[4] The Albany Sentinel reported that the "small sandy very low and cannot be seen from the deck of a vessel more than five or six miles".[5] It was later renamed 'Arthur Island' and appeared as such in charts of that time. Its coordinates were given as 3°30'S, 176°0'W.[6]

The island was reported and visited by a number of ships in the years following, including the whaler Japan in 1830 (under Capt. Shubael Chase), Captain Worth (1832) who mistook it for Onotoa and an unknown whaler in 1834, who named it "Wigram's Island".[7]

It was renamed and mapped by Commander Charles Wilkes of the US Exploring Expedition on August 19, 1840 after a member of his crew. However, Arthur Island remained suspected and "in need of confirmation" until at least 1871, when it was listed in Findlay's Directory, using the charts of cartographer John Arrowsmith.[6]

McKean was claimed by the U.S. in March 1859, under the American Guano Act of 1856. C.A. Williams promoted the Phoenix Guano Company of New London, Connecticut to exploit the deposit of guano. Alfred Restieaux was foreman of the excavation operation in 1867.[8] Guano was actively dug and exported from 1859 to 1870.[9] The island was rarely visited after that time.

McKean was later included in the British Gilbert and Ellice Islands colony. The U.K. resigned its claims on the island when it granted independence to the Republic of Kiribati, and the U.S. resigned its claims to Kiribati in the Treaty of Tarawa.

Guano from McKean’s Island

“A Cargo of 1200 tons of guano, from McKean's Island, was brought into New London by the ship White Swallow on the 30th ult—the first importation from the Phoenix Guano Islands, discovered by C. A. Williams of New London a year ago. These islands lie in 170 West longitude 3½ south latitude, 2000 miles from the Hawaiian group. Mr. Williams took possession of them according to the law of 1856, and has since received a full title from the government.

"The islands are seven in number, and rich in guano deposits. Mr Williams is a member of the firm of C.A. Williams & Co. Honolulu, and Williams & Haven, New London. The Phoenix Guano Company was organized at New London, to work the guano beds, (which will prove a mine of wealth to the lucky owner) who has thirty or forty men permanently located there. Alfred Goddard is the squatter sovereign "governor" of the territory. When the White Swallow left, the Aspasia of Mystic, and Bowditch of New London were loading at McKean's Island, the only one worked at present." [10]

Phoenix Guano

"This name is the title of a guano from McKean's Island, situated in the neighborhood of Baker and Jarvis Islands and occupied with a similar deposit. A sample representing the cargo of the White Swallow, imported by the general agents, Messrs. Williams and Haven, into this State, at the port of New London, gave me on analysis 23¼ percent of phosphoric acid, equivalent to 50 percent of bone-phosphate of lime, and I have not hesitated to recommend it to our farmers, especially, as I learn that the price will be entirely reasonable, viz: $27.50 per ton, or in quantities over five tons $25 per ton."[11]

Declaration as a bird sanctuary

The island was declared a bird sanctuary in June 1938, and has been a protected area ever since as the McKean Island Wildlife Sanctuary.[12] In addition to natural history expeditions, it was visited in October 1989 by TIGHAR when it was surveyed as a possible landing site of Amelia Earhart.[13]

In 2008, Kiribati proclaimed it to be part of the Phoenix Islands Protected Area, the largest marine protected area in the world. In 2010, the Phoenix Islands Protected Area became the world's largest UNESCO World Heritage Site. In 2002, the wreck of the fishing trawler Chance on McKean released the Asian rat onto the island, which decimated the native populations of storm-petrels, blue noddies and other petrels and shearwaters. In 2008 NZAID funded the rat eradication of McKean Island, which was proven successful in late 2009.[14][15]


  1. ^
  2. ^
  3. ^ Quanchi & Robson, p 11.
  4. ^ Maude, p 109.
  5. ^ The Albany Sentinel, 28.8.1797, quoted in Maude, p 109.
  6. ^ a b Sharp, p 210.
  7. ^ Maude, p 110.
  8. ^
  9. ^
  10. ^
  11. ^
  12. ^
  13. ^
  14. ^
  15. ^


  • Maude, HE: Of islands and men: studies in Pacific history. Melbourne [u.a.] : Oxford Univ. Pr., 1968
  • Quanchi, Max & Robson, John, (2005); Historical Dictionary of the Discovery and Exploration of the Pacific Islands, USA: Scarecrow Press, ISBN 0-8108-5395-7
  • Sharp, Andrew (1960); The Discovery of the Pacific Islands, Oxford:Oxford University Press,
  • Bryan, Edwin H.: American Polynesia and the Hawaiian Chain. Honolulu., Hawaii: Tongg Publishing Company, 1941 pages 66–69.

Sources: United Nations United Nations Environment Programme TIGHAR TIGHAR

External links

  • Official site
  • History of McKean Island

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