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The mares that were brought, by the ships during First Crossing, one which produced Cricket, and many others. Only breeding stock made it north during the Second Crossing, when Red Hanrahan found Ruatha, he had is special made, Plasticcraft, contain sperm and ova, to bread a better beast for the more hillier Northern Continent, one before he left was King.
Breading for special traits was was Lord Leef, projects had going that the scrubs, show to be sprinting range.
Several crafts made use of either the speed or hauling abilities of Runnerbeasts.
- The Ford of Red Hanrahan
- The Chronicles of Pern: First Fall
- Red Star Rising
- Moreta: Dragonlady of Pern
- The Renegades of Pern
- The White Dragon
- The Dolphins of Pern
- The Skies of Pern