page_title: List of mammals of South Georgia and the South Sandwich Islands
section_title: Order: Cetacea (whales)
hierarchical_section_title: List of mammals of South Georgia and the South Sandwich Islands / Subclass: Theria / Infraclass: Eutheria / Order: Cetacea (whales)
context_page_description: This is a list of the mammal species recorded in South Georgia and the South Sandwich Islands. There are thirteen mammal species in South Georgia and the South Sandwich Islands, of which one is endangered.
  The following tags are used to highlight each species' conservation status as assessed by the International Union for Conservation of Nature:
context_section_description: The order Cetacea includes whales, dolphins and porpoises. They are the mammals most fully adapted to aquatic life with a spindle-shaped nearly hairless body, protected by a thick layer of blubber, and forelimbs and tail modified to provide propulsion underwater.
  Suborder: Mysticeti
  Family: Balaenidae
  Genus: Eubalaena
  Southern right whale, Eubalaena australis LR/cd (Still rarer in these regions)
  Family: Balaenopteridae
  Subfamily: Megapterinae
  Genus: Megaptera
  Humpback whale, Megaptera novaeangliae LR/cd
  Subfamily: Balaenopterinae
  Genus: Balaenoptera
  Antarctic minke whale, Balaenoptera bonaerensis DD
  Southern sei whale, Balaenoptera borealis schlegelii EN
  Southern fin whale, Balaenoptera physalus quoyi EN
  Southern blue whale, Balaenoptera musculus intermedia EN
  Suborder: Odontoceti
  Superfamily: Platanistoidea
  Family: Phocoenidae
  Genus: Phocoena
  Spectacled porpoise, Phocoena dioptrica DD
  Family: Ziphidae
  Genus: Berardius
  Giant beaked whale, Berardius arnuxii LR/cd
  Subfamily: Hyperoodontinae
  Genus: Mesoplodon
  Gray's beaked whale, Mesoplodon grayi DD
  Family: Delphinidae (marine dolphins)
  Genus: Cephalorhynchus
  Commerson dolphin, Cephalorhynchus commersonii DD
  Genus: Lagenorhynchus
  Hourglass dolphin, Lagenorhynchus cruciger LR/lc
  Peale's dolphin, Lagenorhynchus australis DD
  Genus: Globicephala
  Long-finned pilot whale, Globicephala melas DD
  Genus: Orcinus
  Orca, Orcinus orca LR/cd
caption: Commerson dolphin
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