Even in human form, Skoll still tended to prowl through the forest. He wasn't even aware he was doing it, it was just how he behaved. How a four-legged beast translated into being a two-legged one. (Usually, it doesn't translate well. Skoll doesn't care.)
He smells Little Red before he ever sees her, her scent is so familiar to him by now. He watches her run by in a flash of red and silver, looking more at home among the trees than she ever had. He let her run til she was almost out of sight, then took off after her.
"Takes you longer to get tired now," he said, once she'd stopped to catch her breath. "Getting stronger, that's good."