(Romerolagus diazi)
The rabbit of the volcano is 27-31.5 cm long,the ears are 4-4.4 cm long.It weighs 385-600 g.It is perhaps the smallest rabbit in the world,has a short and bristly nose,small ears,short legs and a virtually non-existent tail.Its thick dark brown or black hair has yellow streaks in the upper parts of the body.