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olitiau

n. A gigantic cryptid of Central Africa, said to resemble a bat or flying reptile.

Wikipedia
Olitiau

An Olitiau is a gigantic cryptid bat (or flying reptile) hypothesized to exist in Central Africa. The word, Olitiau likely comes from a fusion of the Ipulo words “Ole” and “Ntya”, a name for ceremonial dance masks used to represent demons. The name may be used by the Ipulo to refer to demons in general rather than to the creature itself.