|Central coordinates||66o 14.00' West 65o 53.00' South|
|IBA criteria||A4i, A4iii|
|Altitude||0 - 250m|
|Year of IBA assessment||2011|
Site description Armstrong Reef is a small island group situated to the ~2 km southwest of Renaud Island, part of the Biscoe Islands, lying off the western coast of the central Antarctic Peninsula. Armstrong Reef extends over 4.3 km in a southwest-northeast orientation and consists of a number of small ice-free islands each with areas of < 100 ha.
Plutonic rocks dominate the geology of the island group (Smellie et al. 1985),althoghal although little other information on the Armstrong Reef environment is available.
The area is remote from scientific stations (the nearest being Vernadsky (Ururguay), ~121 km to the northeast), and from the most popular tour ship routes, and thus receives few visitors.
|Species||Season||Period||Population estimate||Quality of estimate||IBA Criteria||IUCN Category|
|Phalacrocorax atriceps||breeding||1989-1990||525 breeding pairs||-||A4i||Not Recognised|
|A4iii Species group - seabirds||-||-||-||-||A4iii|
Other biodiversity None known.
Protection status None
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Recommended citation BirdLife International (2014) Important Bird Areas factsheet: Armstrong Reef. Downloaded from http://www.birdlife.org on 30/07/2014
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