And so when all he had to do was sit, he became bored. Days where they found sandbars or islands were far more interesting, and would see his hands flying over his work, eyes bright and alive with the thrill of discovery.
Beneath his back, Efraath let loose a low rolling rumble like thunder—a laugh at his rider's 'pout', or a sympathetic sound, or even a threat to stop complaining, it was hard to tell—which prompted B'tar to sigh and sit up in his seat once more. Silently and wordlessly they communed for a time, enjoying each other's presence and the solitude aside from that, until at last on the horizon there rose a speck. In a flash the rider had a large sheaf of parchment unrolled in his lap, a flurry of activity as he looked up at the sun's position, for any other celestial markers he used to determine location, and down at the map. In a bold stroke his hand came down with the long tip of a charred bit of wood, to leave a definitive dot. A heartbeat later the brown's steady pace surged into the draconic equivalent of a sprint, hurling them towards the distant island with twin glee.
magnadearel
I left it sorta open-ended so you could toss whichever of your three you like in!