The mount of the Wagon Peoples, unknown in the northern hemisphere of Gor, is the terrifying but beautiful kaiila.
Nomads chapter two.
Black tarns are used for night raids, white tarns in winter campaigns, and multicoloured, resplendent tarns are bred for warriors who wish to ride proudly, regardless of the lack of camouflage
Tarnsman of gor chapter three
The tarn had flown northwest. It would, presumably, follow the coast north, perhaps above the forests, perhaps to the bleak coasts of forbidding Torvaldsland itself.
Mara’s chapter one
I ran to the yard of a tavern near the docks. There I unsaddled, unbridled and freed the tarn I had ridden north. "Fly!" I commanded it. It smote the air with its wings, and beat its way into the smoky skies of Kassau. I saw it turn toward the southeast. I smiled. In such a direction, I knew, lay the mountains of Thentis. In those mountains had the borebearers of the bird been bred. I thought of the webs of spiders and turtles running to the sea. How fantastic, how strange, I thought, is the blood of beasts, and I realized, too, that I was a beast, and wondered on what might be the nature of those instincts which must be my own.