Fury's Flight, his War Tarn bred for courage, for endurance, for combat. Her talons are shod with steel which tend to make her extremely dangerous moreso than other tarns. Her plumage is greenish brown.

Acquired 3 more tarns, racing tarns, his sons Caleb and Caden helping with the training of these birds. smaller in size and lighter in flight these birds will make excellent entertainment for those willing to watch their darting speed across the skies of Lydius.

The tarn, the great, fierce saddlebird of Gor, is a savage beast, a monster predator of the high, blue skies of this harsh world; at best it is scarce half domesticated; even tarnsmen seldom approach them without weapons and tarn-goad; it is regarded madness to approach one that is feeding; the instincts of the tarn, like those of many predators, are to protect and defend a kill, to the death; Tarn Keepers, with their goads and training wires, have lost their lives with even young birds, trying to alter or correct this covetousness of its quarry; the winged majestic carnivores of Gor, her tarns, do not care to share their kills, until perhaps they have gorged their fill and carry then remnants of their repast to the encliffed nests of the Thentis or Voltai Ranges, there to drop meat into the gaping beaks of white tarnlings, the size of ponies.
Assassin of Gor Book 5 Page 352

The Goreans believe, incredibly enough, that the capacity to master a tarn is innate and that some men possess this characteristic and that some do not. One does not learn to master a tarn. It is a matter of blood and spirit, of beast and man, of a relation between two beings which must be immediate, intuitive, spontaneous. It is said that a tarn knows who is a tarnsman and who is not, and that those who are not die in this first meeting.
TARNSMAN OF GOR; pages 51