Carefully, Marcus moves forward.  It's hard to say whether whoever's giving the lousy Drake calls is actually trying to attract Drakes or if they're trying to mask the other sounds of their movement for some other purpose.<br/><br/>Probably the former, but you just can't be too careful when you're traveling alone.<br/><br/>Once he passes a decent-sized tree on his right, he carefully circles to the right, trying to get a better glimpse of the Drake-caller -- preferably, without alerting any of the actual Drakes if this turns out to be innocuous.