Moonspear for a single hour in the wide starlight

Atlas and Osiris followed the scent-trail until it ended abruptly—somehow, the rabbit remained hidden. Observing their surroundings, he scrutinized the shadows before lowering his head to sniff at the ground. "Odd," he muttered. 

Then, while glancing towards Atlas, Osiris drawled, "I wonder if it has somehow masked its scent." It seemed very unlikely, but there was room for speculation.