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Location Antarctica
Central coordinates 57o 54.00' West  63o 18.00' South
IBA criteria A1, A4ii, A4iii
Area 1,192 ha
Altitude 0 - 250m
Year of IBA assessment 2011





Site description The Duroch Islands lie several hundred metres offshore from Cape Legoupil, northwestern Trinity Peninsula, northern Antarctic Peninsula. The island group includes Wisconsin Islands in the northeast and extends to Estay Rock in the southwest, and excludes Demas Rocks (Hattersley-Smith, 1991).

The nearest permanent scientific facility is Bernardo O’Higgins Station (Chile), which has capacity for ~44 people and operates year-round ~200 m to the south at Cape Legoupil (COMNAP, Antarctic Facilities, accessed 20/08/2010).

Key Biodiversity Around 14,000 pairs of several penguin species breed in a number of groups on the Duroch Islands, with approximately 3500 pairs Gentoo (P. papua), 800 pairs Adélie (P. adeliae), and 9400 pairs Chinstrap (P. antarctica) penguins recorded in 1990 (Poncet & Poncet, pers. comm.).

Non-bird biodiversity: None known.

Populations of IBA trigger species

Species Season Period Population estimate Quality of estimate IBA Criteria IUCN Category
Gentoo Penguin Pygoscelis papua breeding  1990  3,500 breeding pairs  A1, A4ii  Near Threatened 
A4iii Species group - seabirds breeding  1990  14,000 breeding pairs  A4iii   

Protection status None

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Recommended citation  BirdLife International (2014) Important Bird Areas factsheet: Duroch Islands. Downloaded from http://www.birdlife.org on 20/12/2014

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