The Robertson Islands or Robertsons Islands are a group of
island
An island or isle is a piece of land, distinct from a continent, completely surrounded by water. There are continental islands, which were formed by being split from a continent by plate tectonics, and oceanic islands, which have never been ...
s extending 6 km southward of the south-eastern extremity of
Coronation Island
Coronation Island is the largest of the South Orkney Islands, long and from wide. The island extends in a general east–west direction, is mainly ice-covered and comprises numerous bays, glaciers and peaks, the highest rising to .
History
T ...
in the
South Orkney Islands
The South Orkney Islands are a group of List of Antarctic and sub-Antarctic islands, islands in the Southern Ocean, about north-east of the tip of the Antarctic Peninsula[Antarctica
Antarctica () is Earth's southernmost and least-populated continent. Situated almost entirely south of the Antarctic Circle and surrounded by the Southern Ocean (also known as the Antarctic Ocean), it contains the geographic South Pole. ...]
. They were discovered and roughly charted by Captains
George Powell and
Nathaniel Palmer
Nathaniel Brown Palmer (August 8, 1799 – June 21, 1877) was an American seal hunter, explorer, sailing captain, ship designer, and a whale hunter. He gave his name to Palmer Land, Antarctica, which he explored in 1820 on his sloop ''Hero''. ...
in December 1821 and named by
James Weddell in 1823.
Important Bird Area
The northern islands of the group (those north of
Atriceps Island), including
Matthews,
Coffer
A coffer (or coffering) in architecture is a series of sunken panels in the shape of a square, rectangle, or octagon in a ceiling, soffit or vault.
A series of these sunken panels was often used as decoration for a ceiling or a vault, al ...
, Steepholm and
Skilling Islands with their associated islets and skerries, have been identified as an
Important Bird Area
An Important Bird and Biodiversity Area (IBA) is an area identified using an internationally agreed set of criteria as being globally important for the conservation of bird populations.
IBA was developed and sites are identified by BirdLife Int ...
(IBA) by
BirdLife International
BirdLife International is a global partnership of non-governmental organizations that strives to conserve birds and their habitats. BirdLife International's priorities include preventing extinction of bird species, identifying and safeguarding i ...
because they support substantial
breeding colonies, totalling about 35,000 pairs, of
chinstrap penguin
The chinstrap penguin (''Pygoscelis antarcticus'') is a species of penguin that inhabits a variety of islands and shores in the Southern Pacific and the Antarctic Oceans. Its name stems from the narrow black band under its head, which makes it a ...
s.
Snow petrel
The snow petrel (''Pagodroma nivea'') is the only member of the genus ''Pagodroma.'' It is one of only three birds that have been seen at the Geographic South Pole, along with the Antarctic petrel and the south polar skua, which has the most s ...
s also breed in the area of the Divide – the narrow channel separating Matthews from Coronation Island at the northern limit of the IBA.
See also
*
List of Antarctic and Subantarctic islands
This is a list of Antarctic and sub-Antarctic islands.
* Antarctic islands are, in the strict sense, the islands around mainland Antarctica, situated on the Antarctic Plate, and south of the Antarctic Convergence. According to the terms of the A ...
References
Islands of the South Orkney Islands
Important Bird Areas of Antarctica
Seabird colonies
Penguin colonies
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