This is a list of the mammal species recorded in Kiribati, a sovereign state in the central Pacific Ocean.
[3] A revision of the list of cetaceans reported in the ocean surrounding the islands of Kiribati was carried by Miller (2009).
[4] In 2010 a research voyage was conducted within the exclusive economic zones (EEZ) of Kiribati and Tuvalu.
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.
Lack of studies and dedicated observation efforts result in poor understanding of cetacean diversity in the region.