Too Much Testosterone @ National Zoo 003
The little tigress at the center of this skirmish had earlier found a piece of a log that she claimed as her own and guarded it as she would a "kill" in the wild. She refused to share it and threatened to attack the others if they got too close. Notice how she has fully displayed her fangs and has reared up with paws extended ready to deliver a slashing blow. The other cub wisely retreated. This cub was not playing.