why do people have so much trouble with this? the most common thing . I LOOKED AT THE TAIL AND CANT TELL. YES LOOK AT THE TAIL BUT ALSO LOOK AT THE SHAPE OF THE ANIMAL. THE TOP, THE BOTTOM .THE POSITION OF THE VENT. THE CLAWS WITH WATER TURTLES. LOOK AT MORE THAN ONE THING.ALSO THE WAY THEY CARRY THE TAIL ALL MALE TORTOISE CARRY THIER TAIL TO THE SIDE, EVEN SMALL SULCATA. SO YES A 16 INCH SULCATA TORT IS AS EASY TO SEX AS A FEMALE