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The Antarctic fur seal (Arctocephalus gazella) is one of eight seals in the genus Arctocephalus, and one of nine fur seals in the subfamily Arctocephalinae.Despite what its name suggests, the Antarctic fur seal is mostly distributed in Subantarctic islands [3] and its scientific name is thought to have come from the German vessel SMS Gazelle, which was the first to collect specimens of this ...
The Weddell seal [2] (Leptonychotes weddellii) is a relatively large and abundant true seal with a circumpolar distribution surrounding Antarctica. The Weddell seal was discovered and named in the 1820s during expeditions led by British sealing captain James Weddell to the area of the Southern Ocean now known as the Weddell Sea . [ 3 ]
Antarctic fur seals and southern elephant seals, in contrast, while doing much of their feeding at the edge of the continent, breed on subantarctic islands, such as South Georgia. Warmblooded prey makes up a significant proportion of the leopard seal 's diet, and is occasionally taken by Antarctic fur seals.
The 34 extant species of Pinnipedia are split into 22 genera within 3 families: Odobenidae, comprising the walrus; Otariidae, the eared seals, split between the sea lions and fur seals; and Phocidae, the earless or true seals.
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Seals and fur seals: Southern elephant seal (Mirounga leonina) Antarctic fur seal (Arctophoca gazella) Leopard seal (Hydrurga leptonyx) occasional; Cetaceans: Commerson's dolphin (Cephalorhynchus commersonii) Type D or Sub-Antarctic orca (Orcinus orca). [3] Humpback whale (Megaptera novaeangliae) Southern right whale (Eubalaena australis), etc.
Winter brings less daylight and colder temperatures, which can disrupt sleep. Seasonal Affective Disorder (SAD) is more common in winter due to the lack of sunlight, causing sleep disturbances.
The Juan Fernandez fur seal has a particularly long feeding cycle, with about 12 days of foraging and feeding and 5 days of nursing. Most fur seals continue this cycle for about 9 months until they wean their pup. The exception to this is the Antarctic fur seal, which has a feeding cycle that lasts only 4 months.