Mustangs fighting in the Red Centre, Northern Territory, Australia

2 horses alpha males arid assertiveness australian landscape boxing brumbies bushland center central australia challenge challenging competing conflict desert dominant male effort equestrian equine equines equus ferus caballus feral fight fights grapple grappling hierarchy in the bush outback rugged terrain scrap sparring partners stallions struggle struggling sun parched landscape tests of strength trial of strength vicious west macdonnell national park wild horses animal behaviour animals assert compete daytime dominance full length full lengths horizontal large mammal maleness mammals masculine masculinity mustang natural habitat natural world nature outdoors outside scene stallion stock image stock photo stock photograph two horses virile virility wild animals wilderness wildlife wildlife photography wildlife stock animal themes arid climate national park wild places wild animal wildlife safari safari safaris safari destinations safari destination nature reserve extreme terrain land animal behavior habitat side view color image color colour landform landforms conservation