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Location Antarctica
Central coordinates 60o 53.41' West  63o 53.99' South
IBA criteria A4i
Area 45 ha
Altitude 0 - 500m
Year of IBA assessment 2011

Site description Trinity Island lies in Orléans Strait, ~15 km from the Davis Coast of the Antarctic Peninsula. The IBA comprises a rocky headland rising to ~250 m at the southwestern extremity of Trinity Island.

Information on the environment at the site is not available. The nearest permanent scientific facility is Primavera Station (Argentina), located 30 km to the south.

Key Biodiversity Around 195 pairs of Imperial Shag (Phalacrocorax atriceps), were recorded breeding in three groups along the rocky headland amongst Chinstrap Penguins (Pygoscelis antarctica) on 28 January 1986 (Poncet & Poncet, unpublished data). The Chinstrap Penguin colony was recorded as 1600 breeding pairs (Poncet & Poncet 1987 cited in Woehler 1993).

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  1986  218 breeding pairs  A4i  Not Recognised 

Protection status None

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Recommended citation  BirdLife International (2016) Important Bird and Biodiversity Area factsheet: Trinity Island southwest. Downloaded from on 08/02/2016

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