The Birsiban snake was a reptile native to the class M planet Birsiba, located in the Delta Quadrant.

In an alternate reality 2,410 parallel universes to the right of ours, USS Voyager's nurse Kes tended to a Birsiban boy who had been accidentally transported into that universe and exposed to hard vacuum. Through telepathic contact, Kes felt his experience, including the pain feeling like snakes writhing in his stomach. (VOY novel: Echoes)

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