Not exactly. It's more like...you see a break in the wet sand, rather than seeing something itself. Contrasts, you know?

[He tugs Rohan along, over to the place he'd been indicating, and then digs absently in the sand with his taloned toes before picking his foot up and dropping a clump of sand into his free hand.

It's so weird, being that adept with his feet.]

Though it might be a shell, or garbage — who knows? That's kind of the fun.