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Location Antarctica
Central coordinates 67o 0.00' West  68o 11.00' South
IBA criteria A4i
Area 500 ha
Altitude
Year of IBA assessment 2011





Site description Stonington Island is located approximately 2 km north of Neny Island, Neny Fjord, on the Fallièrs Coast of the Antarctic Peninsula. The IBA comprises a 500 ha circular area centred on the geographic position of the bird breeding site as reported in Lynch et al. (2008) (68°11' S, 67°0' W).

Stonington Island is a small island with relatively flat areas of boulders interspersed with rocky outcrops (ATS Visitor Site Guide, accessed 06/08/2010). The site supports at least seven lichen species and two moss species. Two former stations are located on Stonington Island: Base E (UK) built in 1946, and East Base (US) established in 1940. Base E was closed in 1975 and is now designated as Historic Site No. 64 under the Antarctic Treaty for its historical value in early exploration of the region. East Base is designated as Historic Site No.55 to protect buildings and artefacts in the area.

The nearest permanent scientific station is San Martin (Argentina) located approximately 7 km to the north on Barry Island in the Debenham Islands.

Key Biodiversity Imperial Shags (Phalacrocorax atriceps) breed on Stonington Island and 135 chicks were recorded in February 2007 (Lynch et al. 2008). South Polar Skuas (Catharacta maccormicki) and Antarctic Terns (Sterna vittata) are also confirmed breeders at the site (Naveen 2003).

Non-bird biodiversity: None known

Populations of IBA trigger species

Species Season Period Population estimate Quality of estimate IBA Criteria IUCN Category
Phalacrocorax atriceps breeding  2006  135 breeding pairs  A4i  Not Recognised 

Protection status None

References Antarctic Treaty System Visitor Site Guide: Stonington Island.

URL: http://www.ats.aq/siteguidelines/documents/Stonington_island_e.pdf. Accessed 06/08/2010

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Recommended citation  BirdLife International (2014) Important Bird Areas factsheet: Stonington Island. Downloaded from http://www.birdlife.org on 26/12/2014

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