It was the jawbone of an Oligocene mammal endemic to South Dakota.

As a rare, endemic mammal on a relatively secluded island, the ecology of the tamaraw is largely unknown.

In 2009, it was declared the state's official endemic mammal.

In 2009, the Olympic marmot was designated a state symbol of Washington: the official "endemic mammal."

The near-endemic and strict endemic mammals live in the areas listed below.

It can reach a wingspan of 80 cm, so is the largest endemic mammal on Mauritius.

It is the only species of mammal endemic to the Azores.

Relationships of endemic African mammals and their fossil relatives based on morphological and molecular evidence (subscription required).

This ecoregion is inhabited by five strict endemic mammals and eight near-endemics.

The only purely endemic mammal is a gerbil Gerbillus acticola.