the wide-winged dragon had flown quite away ; they did not even find a camp , although occasionally there would be a few bones or a scrap of bloody fur left on the ground , or gouged lines in the sand where a dragon had stooped from above with claws outstretched , and once at one of the water-holes there were a few claw-marks where she had stopped to drink , and footprints showed where the men had come down , too .