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Armstrong Reef is a reef that encompasses many ice-free plutonic islets and rocks, extending for 9 km (6 mi) from the south-west end of Renaud Island, in the Biscoe Islands of Antarctica. It was first accurately shown on an Argentine government chart of 1957, and was named by the UK Antarctic Place-Names Committee for Terence Armstrong, a British sea ice specialist.

Important Bird Area

The reef has been identified as a 557 ha Important Bird Area by BirdLife International because it supports a breeding colony of over 500 pairs of Antarctic shags.

References

1. "Armstrong Reef". Geographic Names Information System. United States Geological Survey, United States Department of the Interior. Retrieved 13 May 2011.
2. "Baily Head, Armstrong Reef". BirdLife data zone: Important Bird Areas. BirdLife International. 2012. Retrieved 5 October 2013.

 This article incorporates public domain material from "Armstrong Reef". Geographic Names Information System. United States Geological Survey.

65°54′S 66°18′W / 65.900°S 66.300°W / -65.900; -66.300

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• Reefs of Graham Land
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