Cryptid: Abada

In Kongo people's mythology, there is a unicorn-like creature called the Abada but also goes by Arase or Nillekma. The Abada is the size of a small donkey, it has two horns, and has the tail of a boar. This creature is hardly seen due to its shyness. It is said an antidote to poison can be made from their horns.

SOURCES:
The Illustrationist
Mythical Creatures Guide
Wikipedia