||It has been suggested that this article be merged with Jotoki, Louis Wu and Outsider (Known Space) to Known Space characters. (Discuss) Proposed since February 2012.|
In the books, and games inspired by the books, they are a rare multi-limbed species that developed on a planet with lower gravity than Earth, thus they spend much time in the air. They have horns on their heads and wide membranous wings. They speak in raspy screeches and atonal clicks. Pierin are described as curious and friendly to the point of being nosy. They were able to develop a small space-faring civilization before being enslaved by the Kzin.
Their planet of origin is known as Pierin, orbiting a star in the constellation Reticulum. At some point Human beings tried to ally with them against the Kzin. They eventually were liberated from slavery during the Man-Kzin wars.
- Ringworld Roleplaying Game— Ringworld Companion pp. 18-9
- The Ringworld Engineers, Larry Niven, Del Rey; 9th THUS edition (November 12, 1985)
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