National Geographic : 1971 Jan
Lords of the range battle for a harem STALLIONS CLASH in northern Wyoming as mares placidly await the outcome. An opening face-off allows either combatant to back down. If neither does, they rear to bite and lash out with front hoofs, or sud denly wheel and kick. Losers often retire in bloody defeat. This duel ended in a draw. KODACHROMES BY HOPERYDEN C N.G.S.