page_title: List of mammals of the United States Minor Outlying Islands
section_title: Order: Cetacea (whales)
hierarchical_section_title: List of mammals of the United States Minor Outlying Islands / Subclass: Theria / Infraclass: Eutheria / Order: Cetacea (whales)
caption_attribution_description: Photo of Spinner dolphins (Stenella longirostris) in the waters of Kauai, Hawaii (top view)
context_page_description: This is a list of the mammal species recorded in the United States Minor Outlying Islands. There are five mammal species in the United States Minor Outlying Islands, all of which are marine mammals.
  The following tags are used to highlight each species' conservation status as assessed by the International Union for Conservation of Nature:
  Some species were assessed using an earlier set of criteria. Species assessed using this system have the following instead of near threatened and least concern categories:
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: Odontoceti
  Superfamily: Platanistoidea
  Family: Ziphidae
  Subfamily: Hyperoodontinae
  Genus: Mesoplodon
  Blainville's beaked whale, Mesoplodon densirostris DD
  Ginkgo-toothed beaked whale, Mesoplodon ginkgodens DD
  Family: Delphinidae (marine dolphins)
  Genus: Stenella
  Spinner dolphin, Stenella longirostris LR/cd
  Genus: Lagenodelphis
  Fraser's dolphin, Lagenodelphis hosei DD
  Genus: Grampus
  Risso's dolphin, Grampus griseus DD
caption: Spinner dolphins
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