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[[File:McMurdo.jpg|300px|left]]
[[File:Crabeater Pléneau Bay.jpg|250px|left]]
'''[[McMurdo Station]]''' is a United States Antarctic research center on the south tip of [[Ross Island]], which is in the New Zealand-claimed [[Ross Dependency]] on the shore of McMurdo Sound in [[Antarctica]]. It is operated by the United States through the United States Antarctic Program, a branch of the National Science Foundation. The station is the largest community in Antarctica, capable of supporting up to 1,258 residents, and serves as one of three United States Antarctic science facilities. All personnel and cargo going to or coming from [[Amundsen–Scott South Pole Station]] first pass through McMurdo.
The '''[[crabeater seal]]''' is a true seal with a circumpolar distribution around the coast of [[Antarctica]]. They are found primarily on the free-floating [[pack ice]] that extends seasonally out from the Antarctic coast, which they use as a platform for resting, mating, social aggregation and accessing their prey. They are by far the most abundant seal species in the world. While population estimates are uncertain, there are at least 7 million and possibly as many as 75 million individuals. This success of this species is due to its specialized predation on the abundant [[Antarctic krill]] of the [[Southern Ocean]], for which it has uniquely adapted, sieve-like tooth structure.


The station owes its designation to nearby McMurdo Sound, named after Lieutenant Archibald McMurdo of HMS ''Terror'', which first charted the area in 1841 under the command of British explorer [[James Clark Ross]]. British explorer [[Robert Falcon Scott]] first established a base close to this spot in 1902 and built Discovery Hut, still standing adjacent to the harbor at Hut Point. The volcanic rock of the site is the southernmost bare ground accessible by ship in the Antarctic. The United States officially opened its first station at McMurdo on 16 February 1956. Founders initially called the station Naval Air Facility McMurdo. On 28 November 1957, [[Admiral George J. Dufek]] was present with a U.S. congressional delegation during a change of command ceremony.
Despite its name, crabeater seals do not eat crabs. As well as being an important [[krill]] predator, the crabeater seal is an important component of the diet of [[leopard seal|leopard seals]], which consume about 80% of all crabeater pups.


'''([[McMurdo Station|Full Article...]])'''
'''([[crabeater seal|Full Article...]])'''

Latest revision as of 13:37, 19 March 2026

Crabeater Pléneau Bay.jpg

The crabeater seal is a true seal with a circumpolar distribution around the coast of Antarctica. They are found primarily on the free-floating pack ice that extends seasonally out from the Antarctic coast, which they use as a platform for resting, mating, social aggregation and accessing their prey. They are by far the most abundant seal species in the world. While population estimates are uncertain, there are at least 7 million and possibly as many as 75 million individuals. This success of this species is due to its specialized predation on the abundant Antarctic krill of the Southern Ocean, for which it has uniquely adapted, sieve-like tooth structure.

Despite its name, crabeater seals do not eat crabs. As well as being an important krill predator, the crabeater seal is an important component of the diet of leopard seals, which consume about 80% of all crabeater pups.

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