List of mammals of Saint Kitts and Nevis

Of the mammal species in Saint Kitts and Nevis, one is vulnerable, one is near threatened, and one is classified as extinct.

Species assessed using this system have the following instead of near threatened and least concern categories: Sirenia is an order of fully aquatic, herbivorous mammals that inhabit rivers, estuaries, coastal marine waters, swamps, and marine wetlands.

They have two incisors in the upper and lower jaw which grow continually and must be kept short by gnawing.

The bats' most distinguishing feature is that their forelimbs are developed as wings, making them the only mammals capable of flight.

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.